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+// SPDX-License-Identifier: GPL-3.0-or-later
+// ----------------------------------------------------------------------------
+// You can set the following variables before loading this script:
+
+/*global netdataNoDygraphs *//* boolean, disable dygraph charts
+ * (default: false) */
+/*global netdataNoSparklines *//* boolean, disable sparkline charts
+ * (default: false) */
+/*global netdataNoPeitys *//* boolean, disable peity charts
+ * (default: false) */
+/*global netdataNoGoogleCharts *//* boolean, disable google charts
+ * (default: false) */
+/*global netdataNoMorris *//* boolean, disable morris charts
+ * (default: false) */
+/*global netdataNoEasyPieChart *//* boolean, disable easypiechart charts
+ * (default: false) */
+/*global netdataNoGauge *//* boolean, disable gauge.js charts
+ * (default: false) */
+/*global netdataNoD3 *//* boolean, disable d3 charts
+ * (default: false) */
+/*global netdataNoC3 *//* boolean, disable c3 charts
+ * (default: false) */
+/*global netdataNoD3pie *//* boolean, disable d3pie charts
+ * (default: false) */
+/*global netdataNoBootstrap *//* boolean, disable bootstrap - disables help too
+ * (default: false) */
+/*global netdataNoFontAwesome *//* boolean, disable fontawesome (do not load it)
+ * (default: false) */
+/*global netdataIcons *//* object, overwrite netdata fontawesome icons
+ * (default: null) */
+/*global netdataDontStart *//* boolean, do not start the thread to process the charts
+ * (default: false) */
+/*global netdataErrorCallback *//* function, callback to be called when the dashboard encounters an error
+ * (default: null) */
+/*global netdataRegistry:true *//* boolean, use the netdata registry
+ * (default: false) */
+/*global netdataNoRegistry *//* boolean, included only for compatibility with existing custom dashboard
+ * (obsolete - do not use this any more) */
+/*global netdataRegistryCallback *//* function, callback that will be invoked with one param: the URLs from the registry
+ * (default: null) */
+/*global netdataShowHelp:true *//* boolean, disable charts help
+ * (default: true) */
+/*global netdataShowAlarms:true *//* boolean, enable alarms checks and notifications
+ * (default: false) */
+/*global netdataRegistryAfterMs:true *//* ms, delay registry use at started
+ * (default: 1500) */
+/*global netdataCallback *//* function, callback to be called when netdata is ready to start
+ * (default: null)
+ * netdata will be running while this is called
+ * (call NETDATA.pause to stop it) */
+/*global netdataPrepCallback *//* function, callback to be called before netdata does anything else
+ * (default: null) */
+/*global netdataServer *//* string, the URL of the netdata server to use
+ * (default: the URL the page is hosted at) */
+/*global netdataServerStatic *//* string, the URL of the netdata server to use for static files
+ * (default: netdataServer) */
+/*global netdataSnapshotData *//* object, a netdata snapshot loaded
+ * (default: null) */
+/*global netdataAlarmsRecipients *//* array, an array of alarm recipients to show notifications for
+ * (default: null) */
+/*global netdataAlarmsRemember *//* boolen, keep our position in the alarm log at browser local storage
+ * (default: true) */
+/*global netdataAlarmsActiveCallback *//* function, a hook for the alarm logs
+ * (default: undefined) */
+/*global netdataAlarmsNotifCallback *//* function, a hook for alarm notifications
+ * (default: undefined) */
+/*global netdataIntersectionObserver *//* boolean, enable or disable the use of intersection observer
+ * (default: true) */
+/*global netdataCheckXSS *//* boolean, enable or disable checking for XSS issues
+ * (default: false) */
+
+// ----------------------------------------------------------------------------
+// global namespace
+
+var NETDATA = window.NETDATA || {};
+
+(function(window, document, $, undefined) {
+
+ NETDATA.encodeURIComponent = function(s) {
+ if(typeof(s) === 'string')
+ return encodeURIComponent(s);
+
+ return s;
+ };
+
+ // ------------------------------------------------------------------------
+ // compatibility fixes
+
+ // fix IE issue with console
+ if(!window.console) { window.console = { log: function(){} }; }
+
+ // if string.endsWith is not defined, define it
+ if(typeof String.prototype.endsWith !== 'function') {
+ String.prototype.endsWith = function(s) {
+ if(s.length > this.length) return false;
+ return this.slice(-s.length) === s;
+ };
+ }
+
+ // if string.startsWith is not defined, define it
+ if(typeof String.prototype.startsWith !== 'function') {
+ String.prototype.startsWith = function(s) {
+ if(s.length > this.length) return false;
+ return this.slice(s.length) === s;
+ };
+ }
+
+ NETDATA.name2id = function(s) {
+ return s
+ .replace(/ /g, '_')
+ .replace(/\(/g, '_')
+ .replace(/\)/g, '_')
+ .replace(/\./g, '_')
+ .replace(/\//g, '_');
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // XSS checks
+
+ NETDATA.xss = {
+ enabled: (typeof netdataCheckXSS === 'undefined')?false:netdataCheckXSS,
+ enabled_for_data: (typeof netdataCheckXSS === 'undefined')?false:netdataCheckXSS,
+
+ string: function (s) {
+ return s.toString()
+ .replace(/</g, '&lt;')
+ .replace(/>/g, '&gt;')
+ .replace(/"/g, '&quot;')
+ .replace(/'/g, '&#39;');
+ },
+
+ object: function(name, obj, ignore_regex) {
+ if(typeof ignore_regex !== 'undefined' && ignore_regex.test(name) === true) {
+ // console.log('XSS: ignoring "' + name + '"');
+ return obj;
+ }
+
+ switch (typeof(obj)) {
+ case 'string':
+ var ret = this.string(obj);
+ if(ret !== obj) console.log('XSS protection changed string ' + name + ' from "' + obj + '" to "' + ret + '"');
+ return ret;
+
+ case 'object':
+ if(obj === null) return obj;
+
+ if(Array.isArray(obj) === true) {
+ // console.log('checking array "' + name + '"');
+
+ var len = obj.length;
+ while(len--)
+ obj[len] = this.object(name + '[' + len + ']', obj[len], ignore_regex);
+ }
+ else {
+ // console.log('checking object "' + name + '"');
+
+ for(var i in obj) {
+ if(obj.hasOwnProperty(i) === false) continue;
+ if(this.string(i) !== i) {
+ console.log('XSS protection removed invalid object member "' + name + '.' + i + '"');
+ delete obj[i];
+ }
+ else
+ obj[i] = this.object(name + '.' + i, obj[i], ignore_regex);
+ }
+ }
+ return obj;
+
+ default:
+ return obj;
+ }
+ },
+
+ checkOptional: function(name, obj, ignore_regex) {
+ if(this.enabled === true) {
+ //console.log('XSS: checking optional "' + name + '"...');
+ return this.object(name, obj, ignore_regex);
+ }
+ return obj;
+ },
+
+ checkAlways: function(name, obj, ignore_regex) {
+ //console.log('XSS: checking always "' + name + '"...');
+ return this.object(name, obj, ignore_regex);
+ },
+
+ checkData: function(name, obj, ignore_regex) {
+ if(this.enabled_for_data === true) {
+ //console.log('XSS: checking data "' + name + '"...');
+ return this.object(name, obj, ignore_regex);
+ }
+ return obj;
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Detect the netdata server
+
+ // http://stackoverflow.com/questions/984510/what-is-my-script-src-url
+ // http://stackoverflow.com/questions/6941533/get-protocol-domain-and-port-from-url
+ NETDATA._scriptSource = function() {
+ var script = null;
+
+ if(typeof document.currentScript !== 'undefined') {
+ script = document.currentScript;
+ }
+ else {
+ var all_scripts = document.getElementsByTagName('script');
+ script = all_scripts[all_scripts.length - 1];
+ }
+
+ if (typeof script.getAttribute.length !== 'undefined')
+ script = script.src;
+ else
+ script = script.getAttribute('src', -1);
+
+ return script;
+ };
+
+ if(typeof netdataServer !== 'undefined')
+ NETDATA.serverDefault = netdataServer;
+ else {
+ var s = NETDATA._scriptSource();
+ if(s) NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)?$/g, "");
+ else {
+ console.log('WARNING: Cannot detect the URL of the netdata server.');
+ NETDATA.serverDefault = null;
+ }
+ }
+
+ if(NETDATA.serverDefault === null)
+ NETDATA.serverDefault = '';
+ else if(NETDATA.serverDefault.slice(-1) !== '/')
+ NETDATA.serverDefault += '/';
+
+ if(typeof netdataServerStatic !== 'undefined' && netdataServerStatic !== null && netdataServerStatic !== '') {
+ NETDATA.serverStatic = netdataServerStatic;
+ if(NETDATA.serverStatic.slice(-1) !== '/')
+ NETDATA.serverStatic += '/';
+ }
+ else {
+ NETDATA.serverStatic = NETDATA.serverDefault;
+ }
+
+
+ // default URLs for all the external files we need
+ // make them RELATIVE so that the whole thing can also be
+ // installed under a web server
+ NETDATA.jQuery = NETDATA.serverStatic + 'lib/jquery-2.2.4.min.js';
+ NETDATA.peity_js = NETDATA.serverStatic + 'lib/jquery.peity-3.2.0.min.js';
+ NETDATA.sparkline_js = NETDATA.serverStatic + 'lib/jquery.sparkline-2.1.2.min.js';
+ NETDATA.easypiechart_js = NETDATA.serverStatic + 'lib/jquery.easypiechart-97b5824.min.js';
+ NETDATA.gauge_js = NETDATA.serverStatic + 'lib/gauge-1.3.2.min.js';
+ NETDATA.dygraph_js = NETDATA.serverStatic + 'lib/dygraph-c91c859.min.js';
+ NETDATA.dygraph_smooth_js = NETDATA.serverStatic + 'lib/dygraph-smooth-plotter-c91c859.js';
+ NETDATA.raphael_js = NETDATA.serverStatic + 'lib/raphael-2.2.4-min.js';
+ NETDATA.c3_js = NETDATA.serverStatic + 'lib/c3-0.4.18.min.js';
+ NETDATA.c3_css = NETDATA.serverStatic + 'css/c3-0.4.18.min.css';
+ NETDATA.d3pie_js = NETDATA.serverStatic + 'lib/d3pie-0.2.1-netdata-3.js';
+ NETDATA.d3_js = NETDATA.serverStatic + 'lib/d3-4.12.2.min.js';
+ NETDATA.morris_js = NETDATA.serverStatic + 'lib/morris-0.5.1.min.js';
+ NETDATA.morris_css = NETDATA.serverStatic + 'css/morris-0.5.1.css';
+ NETDATA.google_js = 'https://www.google.com/jsapi';
+
+ NETDATA.themes = {
+ white: {
+ bootstrap_css: NETDATA.serverStatic + 'css/bootstrap-3.3.7.css',
+ dashboard_css: NETDATA.serverStatic + 'dashboard.css?v20180210-1',
+ background: '#FFFFFF',
+ foreground: '#000000',
+ grid: '#F0F0F0',
+ axis: '#F0F0F0',
+ highlight: '#F5F5F5',
+ colors: [ '#3366CC', '#DC3912', '#109618', '#FF9900', '#990099', '#DD4477',
+ '#3B3EAC', '#66AA00', '#0099C6', '#B82E2E', '#AAAA11', '#5574A6',
+ '#994499', '#22AA99', '#6633CC', '#E67300', '#316395', '#8B0707',
+ '#329262', '#3B3EAC' ],
+ easypiechart_track: '#f0f0f0',
+ easypiechart_scale: '#dfe0e0',
+ gauge_pointer: '#C0C0C0',
+ gauge_stroke: '#F0F0F0',
+ gauge_gradient: false,
+ d3pie: {
+ title: '#333333',
+ subtitle: '#666666',
+ footer: '#888888',
+ other: '#aaaaaa',
+ mainlabel: '#333333',
+ percentage: '#dddddd',
+ value: '#aaaa22',
+ tooltip_bg: '#000000',
+ tooltip_fg: '#efefef',
+ segment_stroke: "#ffffff",
+ gradient_color: '#000000'
+ }
+ },
+ slate: {
+ bootstrap_css: NETDATA.serverStatic + 'css/bootstrap-slate-flat-3.3.7.css?v20161229-1',
+ dashboard_css: NETDATA.serverStatic + 'dashboard.slate.css?v20180210-1',
+ background: '#272b30',
+ foreground: '#C8C8C8',
+ grid: '#283236',
+ axis: '#283236',
+ highlight: '#383838',
+/* colors: [ '#55bb33', '#ff2222', '#0099C6', '#faa11b', '#adbce0', '#DDDD00',
+ '#4178ba', '#f58122', '#a5cc39', '#f58667', '#f5ef89', '#cf93c0',
+ '#a5d18a', '#b8539d', '#3954a3', '#c8a9cf', '#c7de8a', '#fad20a',
+ '#a6a479', '#a66da8' ],
+*/
+ colors: [ '#66AA00', '#FE3912', '#3366CC', '#D66300', '#0099C6', '#DDDD00',
+ '#5054e6', '#EE9911', '#BB44CC', '#e45757', '#ef0aef', '#CC7700',
+ '#22AA99', '#109618', '#905bfd', '#f54882', '#4381bf', '#ff3737',
+ '#329262', '#3B3EFF' ],
+ easypiechart_track: '#373b40',
+ easypiechart_scale: '#373b40',
+ gauge_pointer: '#474b50',
+ gauge_stroke: '#373b40',
+ gauge_gradient: false,
+ d3pie: {
+ title: '#C8C8C8',
+ subtitle: '#283236',
+ footer: '#283236',
+ other: '#283236',
+ mainlabel: '#C8C8C8',
+ percentage: '#dddddd',
+ value: '#cccc44',
+ tooltip_bg: '#272b30',
+ tooltip_fg: '#C8C8C8',
+ segment_stroke: "#283236",
+ gradient_color: '#000000'
+ }
+ }
+ };
+
+ if(typeof netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined')
+ NETDATA.themes.current = NETDATA.themes[netdataTheme];
+ else
+ NETDATA.themes.current = NETDATA.themes.white;
+
+ NETDATA.colors = NETDATA.themes.current.colors;
+
+ // these are the colors Google Charts are using
+ // we have them here to attempt emulate their look and feel on the other chart libraries
+ // http://there4.io/2012/05/02/google-chart-color-list/
+ //NETDATA.colors = [ '#3366CC', '#DC3912', '#FF9900', '#109618', '#990099', '#3B3EAC', '#0099C6',
+ // '#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11',
+ // '#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ];
+
+ // an alternative set
+ // http://www.mulinblog.com/a-color-palette-optimized-for-data-visualization/
+ // (blue) (red) (orange) (green) (pink) (brown) (purple) (yellow) (gray)
+ //NETDATA.colors = [ '#5DA5DA', '#F15854', '#FAA43A', '#60BD68', '#F17CB0', '#B2912F', '#B276B2', '#DECF3F', '#4D4D4D' ];
+
+ NETDATA.icons = {
+ left: '<i class="fas fa-backward"></i>',
+ reset: '<i class="fas fa-play"></i>',
+ right: '<i class="fas fa-forward"></i>',
+ zoomIn: '<i class="fas fa-plus"></i>',
+ zoomOut: '<i class="fas fa-minus"></i>',
+ resize: '<i class="fas fa-sort"></i>',
+ lineChart: '<i class="fas fa-chart-line"></i>',
+ areaChart: '<i class="fas fa-chart-area"></i>',
+ noChart: '<i class="fas fa-chart-area"></i>',
+ loading: '<i class="fas fa-sync-alt"></i>',
+ noData: '<i class="fas fa-exclamation-triangle"></i>'
+ };
+
+ if(typeof netdataIcons === 'object') {
+ for(var icon in NETDATA.icons) {
+ if(NETDATA.icons.hasOwnProperty(icon) && typeof(netdataIcons[icon]) === 'string')
+ NETDATA.icons[icon] = netdataIcons[icon];
+ }
+ }
+
+ if(typeof netdataSnapshotData === 'undefined')
+ netdataSnapshotData = null;
+
+ if(typeof netdataShowHelp === 'undefined')
+ netdataShowHelp = true;
+
+ if(typeof netdataShowAlarms === 'undefined')
+ netdataShowAlarms = false;
+
+ if(typeof netdataRegistryAfterMs !== 'number' || netdataRegistryAfterMs < 0)
+ netdataRegistryAfterMs = 1500;
+
+ if(typeof netdataRegistry === 'undefined') {
+ // backward compatibility
+ netdataRegistry = (typeof netdataNoRegistry !== 'undefined' && netdataNoRegistry === false);
+ }
+ if(netdataRegistry === false && typeof netdataRegistryCallback === 'function')
+ netdataRegistry = true;
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // detect if this is probably a slow device
+
+ var isSlowDeviceResult = undefined;
+ var isSlowDevice = function() {
+ if(isSlowDeviceResult !== undefined)
+ return isSlowDeviceResult;
+
+ try {
+ var ua = navigator.userAgent.toLowerCase();
+
+ var iOS = /ipad|iphone|ipod/.test(ua) && !window.MSStream;
+ var android = /android/.test(ua) && !window.MSStream;
+ isSlowDeviceResult = (iOS === true || android === true);
+ }
+ catch (e) {
+ isSlowDeviceResult = false;
+ }
+
+ return isSlowDeviceResult;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // the defaults for all charts
+
+ // if the user does not specify any of these, the following will be used
+
+ NETDATA.chartDefaults = {
+ width: '100%', // the chart width - can be null
+ height: '100%', // the chart height - can be null
+ min_width: null, // the chart minimum width - can be null
+ library: 'dygraph', // the graphing library to use
+ method: 'average', // the grouping method
+ before: 0, // panning
+ after: -600, // panning
+ pixels_per_point: 1, // the detail of the chart
+ fill_luminance: 0.8 // luminance of colors in solid areas
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global options
+
+ NETDATA.options = {
+ pauseCallback: null, // a callback when we are really paused
+
+ pause: false, // when enabled we don't auto-refresh the charts
+
+ targets: [], // an array of all the state objects that are
+ // currently active (independently of their
+ // viewport visibility)
+
+ updated_dom: true, // when true, the DOM has been updated with
+ // new elements we have to check.
+
+ auto_refresher_fast_weight: 0, // this is the current time in ms, spent
+ // rendering charts continuously.
+ // used with .current.fast_render_timeframe
+
+ page_is_visible: true, // when true, this page is visible
+
+ auto_refresher_stop_until: 0, // timestamp in ms - used internally, to stop the
+ // auto-refresher for some time (when a chart is
+ // performing pan or zoom, we need to stop refreshing
+ // all other charts, to have the maximum speed for
+ // rendering the chart that is panned or zoomed).
+ // Used with .current.global_pan_sync_time
+
+ on_scroll_refresher_stop_until: 0, // timestamp in ms - used to stop evaluating
+ // charts for some time, after a page scroll
+
+ last_page_resize: Date.now(), // the timestamp of the last resize request
+
+ last_page_scroll: 0, // the timestamp the last time the page was scrolled
+
+ browser_timezone: 'unknown', // timezone detected by javascript
+ server_timezone: 'unknown', // timezone reported by the server
+
+ force_data_points: 0, // force the number of points to be returned for charts
+ fake_chart_rendering: false, // when set to true, the dashboard will download data but will not render the charts
+
+ passive_events: null, // true if the browser supports passive events
+
+ // the current profile
+ // we may have many...
+ current: {
+ units: 'auto', // can be 'auto' or 'original'
+ temperature: 'celsius', // can be 'celsius' or 'fahrenheit'
+ seconds_as_time: true, // show seconds as DDd:HH:MM:SS ?
+ timezone: 'default', // the timezone to use, or 'default'
+ user_set_server_timezone: 'default', // as set by the user on the dashboard
+
+ legend_toolbox: true, // show the legend toolbox on charts
+ resize_charts: true, // show the resize handler on charts
+
+ pixels_per_point: isSlowDevice()?5:1, // the minimum pixels per point for all charts
+ // increase this to speed javascript up
+ // each chart library has its own limit too
+ // the max of this and the chart library is used
+ // the final is calculated every time, so a change
+ // here will have immediate effect on the next chart
+ // update
+
+ idle_between_charts: 100, // ms - how much time to wait between chart updates
+
+ fast_render_timeframe: 200, // ms - render continuously until this time of continuous
+ // rendering has been reached
+ // this setting is used to make it render e.g. 10
+ // charts at once, sleep idle_between_charts time
+ // and continue for another 10 charts.
+
+ idle_between_loops: 500, // ms - if all charts have been updated, wait this
+ // time before starting again.
+
+ idle_parallel_loops: 100, // ms - the time between parallel refresher updates
+
+ idle_lost_focus: 500, // ms - when the window does not have focus, check
+ // if focus has been regained, every this time
+
+ global_pan_sync_time: 300, // ms - when you pan or zoom a chart, the background
+ // auto-refreshing of charts is paused for this amount
+ // of time
+
+ sync_selection_delay: 400, // ms - when you pan or zoom a chart, wait this amount
+ // of time before setting up synchronized selections
+ // on hover.
+
+ sync_selection: true, // enable or disable selection sync
+
+ pan_and_zoom_delay: 50, // when panning or zooming, how ofter to update the chart
+
+ sync_pan_and_zoom: true, // enable or disable pan and zoom sync
+
+ pan_and_zoom_data_padding: true, // fetch more data for the master chart when panning or zooming
+
+ update_only_visible: true, // enable or disable visibility management / used for printing
+
+ parallel_refresher: (isSlowDevice() === false), // enable parallel refresh of charts
+
+ concurrent_refreshes: true, // when parallel_refresher is enabled, sync also the charts
+
+ destroy_on_hide: (isSlowDevice() === true), // destroy charts when they are not visible
+
+ show_help: netdataShowHelp, // when enabled the charts will show some help
+ show_help_delay_show_ms: 500,
+ show_help_delay_hide_ms: 0,
+
+ eliminate_zero_dimensions: true, // do not show dimensions with just zeros
+
+ stop_updates_when_focus_is_lost: true, // boolean - shall we stop auto-refreshes when document does not have user focus
+ stop_updates_while_resizing: 1000, // ms - time to stop auto-refreshes while resizing the charts
+
+ double_click_speed: 500, // ms - time between clicks / taps to detect double click/tap
+
+ smooth_plot: (isSlowDevice() === false), // enable smooth plot, where possible
+
+ color_fill_opacity_line: 1.0,
+ color_fill_opacity_area: 0.2,
+ color_fill_opacity_stacked: 0.8,
+
+ pan_and_zoom_factor: 0.25, // the increment when panning and zooming with the toolbox
+ pan_and_zoom_factor_multiplier_control: 2.0,
+ pan_and_zoom_factor_multiplier_shift: 3.0,
+ pan_and_zoom_factor_multiplier_alt: 4.0,
+
+ abort_ajax_on_scroll: false, // kill pending ajax page scroll
+ async_on_scroll: false, // sync/async onscroll handler
+ onscroll_worker_duration_threshold: 30, // time in ms, for async scroll handler
+
+ retries_on_data_failures: 3, // how many retries to make if we can't fetch chart data from the server
+
+ setOptionCallback: function() { }
+ },
+
+ debug: {
+ show_boxes: false,
+ main_loop: false,
+ focus: false,
+ visibility: false,
+ chart_data_url: false,
+ chart_errors: false, // remember to set it to false before merging
+ chart_timing: false,
+ chart_calls: false,
+ libraries: false,
+ dygraph: false,
+ globalSelectionSync:false,
+ globalPanAndZoom: false
+ }
+ };
+
+ NETDATA.statistics = {
+ refreshes_total: 0,
+ refreshes_active: 0,
+ refreshes_active_max: 0
+ };
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ NETDATA.timeout = {
+ // by default, these are just wrappers to setTimeout() / clearTimeout()
+
+ step: function(callback) {
+ return window.setTimeout(callback, 1000 / 60);
+ },
+
+ set: function(callback, delay) {
+ return window.setTimeout(callback, delay);
+ },
+
+ clear: function(id) {
+ return window.clearTimeout(id);
+ },
+
+ init: function() {
+ var custom = true;
+
+ if(window.requestAnimationFrame) {
+ this.step = function(callback) {
+ return window.requestAnimationFrame(callback);
+ };
+
+ this.clear = function(handle) {
+ return window.cancelAnimationFrame(handle.value);
+ };
+ }
+ else if(window.webkitRequestAnimationFrame) {
+ this.step = function(callback) {
+ return window.webkitRequestAnimationFrame(callback);
+ };
+
+ if(window.webkitCancelAnimationFrame) {
+ this.clear = function (handle) {
+ return window.webkitCancelAnimationFrame(handle.value);
+ };
+ }
+ else if(window.webkitCancelRequestAnimationFrame) {
+ this.clear = function (handle) {
+ return window.webkitCancelRequestAnimationFrame(handle.value);
+ };
+ }
+ }
+ else if(window.mozRequestAnimationFrame) {
+ this.step = function(callback) {
+ return window.mozRequestAnimationFrame(callback);
+ };
+
+ this.clear = function(handle) {
+ return window.mozCancelRequestAnimationFrame(handle.value);
+ };
+ }
+ else if(window.oRequestAnimationFrame) {
+ this.step = function(callback) {
+ return window.oRequestAnimationFrame(callback);
+ };
+
+ this.clear = function(handle) {
+ return window.oCancelRequestAnimationFrame(handle.value);
+ };
+ }
+ else if(window.msRequestAnimationFrame) {
+ this.step = function(callback) {
+ return window.msRequestAnimationFrame(callback);
+ };
+
+ this.clear = function(handle) {
+ return window.msCancelRequestAnimationFrame(handle.value);
+ };
+ }
+ else
+ custom = false;
+
+
+ if(custom === true) {
+ // we have installed custom .step() / .clear() functions
+ // overwrite the .set() too
+
+ this.set = function(callback, delay) {
+ var that = this;
+
+ var start = Date.now(),
+ handle = new Object();
+
+ function loop() {
+ var current = Date.now(),
+ delta = current - start;
+
+ if(delta >= delay) {
+ callback.call();
+ }
+ else {
+ handle.value = that.step(loop);
+ }
+ }
+
+ handle.value = that.step(loop);
+ return handle;
+ };
+ }
+ }
+ };
+
+ NETDATA.timeout.init();
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // local storage options
+
+ NETDATA.localStorage = {
+ default: {},
+ current: {},
+ callback: {} // only used for resetting back to defaults
+ };
+
+ NETDATA.localStorageTested = -1;
+ NETDATA.localStorageTest = function() {
+ if(NETDATA.localStorageTested !== -1)
+ return NETDATA.localStorageTested;
+
+ if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
+ var test = 'test';
+ try {
+ localStorage.setItem(test, test);
+ localStorage.removeItem(test);
+ NETDATA.localStorageTested = true;
+ }
+ catch (e) {
+ NETDATA.localStorageTested = false;
+ }
+ }
+ else
+ NETDATA.localStorageTested = false;
+
+ return NETDATA.localStorageTested;
+ };
+
+ NETDATA.localStorageGet = function(key, def, callback) {
+ var ret = def;
+
+ if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
+ NETDATA.localStorage.default[key.toString()] = def;
+ NETDATA.localStorage.callback[key.toString()] = callback;
+ }
+
+ if(NETDATA.localStorageTest() === true) {
+ try {
+ // console.log('localStorage: loading "' + key.toString() + '"');
+ ret = localStorage.getItem(key.toString());
+ // console.log('netdata loaded: ' + key.toString() + ' = ' + ret.toString());
+ if(ret === null || ret === 'undefined') {
+ // console.log('localStorage: cannot load it, saving "' + key.toString() + '" with value "' + JSON.stringify(def) + '"');
+ localStorage.setItem(key.toString(), JSON.stringify(def));
+ ret = def;
+ }
+ else {
+ // console.log('localStorage: got "' + key.toString() + '" with value "' + ret + '"');
+ ret = JSON.parse(ret);
+ // console.log('localStorage: loaded "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
+ }
+ }
+ catch(error) {
+ console.log('localStorage: failed to read "' + key.toString() + '", using default: "' + def.toString() + '"');
+ ret = def;
+ }
+ }
+
+ if(typeof ret === 'undefined' || ret === 'undefined') {
+ console.log('localStorage: LOADED UNDEFINED "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
+ ret = def;
+ }
+
+ NETDATA.localStorage.current[key.toString()] = ret;
+ return ret;
+ };
+
+ NETDATA.localStorageSet = function(key, value, callback) {
+ if(typeof value === 'undefined' || value === 'undefined') {
+ console.log('localStorage: ATTEMPT TO SET UNDEFINED "' + key.toString() + '" as value ' + value + ' of type ' + typeof(value));
+ }
+
+ if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
+ NETDATA.localStorage.default[key.toString()] = value;
+ NETDATA.localStorage.current[key.toString()] = value;
+ NETDATA.localStorage.callback[key.toString()] = callback;
+ }
+
+ if(NETDATA.localStorageTest() === true) {
+ // console.log('localStorage: saving "' + key.toString() + '" with value "' + JSON.stringify(value) + '"');
+ try {
+ localStorage.setItem(key.toString(), JSON.stringify(value));
+ }
+ catch(e) {
+ console.log('localStorage: failed to save "' + key.toString() + '" with value: "' + value.toString() + '"');
+ }
+ }
+
+ NETDATA.localStorage.current[key.toString()] = value;
+ return value;
+ };
+
+ NETDATA.localStorageGetRecursive = function(obj, prefix, callback) {
+ var keys = Object.keys(obj);
+ var len = keys.length;
+ while(len--) {
+ var i = keys[len];
+
+ if(typeof obj[i] === 'object') {
+ //console.log('object ' + prefix + '.' + i.toString());
+ NETDATA.localStorageGetRecursive(obj[i], prefix + '.' + i.toString(), callback);
+ continue;
+ }
+
+ obj[i] = NETDATA.localStorageGet(prefix + '.' + i.toString(), obj[i], callback);
+ }
+ };
+
+ NETDATA.setOption = function(key, value) {
+ if(key.toString() === 'setOptionCallback') {
+ if(typeof NETDATA.options.current.setOptionCallback === 'function') {
+ NETDATA.options.current[key.toString()] = value;
+ NETDATA.options.current.setOptionCallback();
+ }
+ }
+ else if(NETDATA.options.current[key.toString()] !== value) {
+ var name = 'options.' + key.toString();
+
+ if(typeof NETDATA.localStorage.default[name.toString()] === 'undefined')
+ console.log('localStorage: setOption() on unsaved option: "' + name.toString() + '", value: ' + value);
+
+ //console.log(NETDATA.localStorage);
+ //console.log('setOption: setting "' + key.toString() + '" to "' + value + '" of type ' + typeof(value) + ' original type ' + typeof(NETDATA.options.current[key.toString()]));
+ //console.log(NETDATA.options);
+ NETDATA.options.current[key.toString()] = NETDATA.localStorageSet(name.toString(), value, null);
+
+ if(typeof NETDATA.options.current.setOptionCallback === 'function')
+ NETDATA.options.current.setOptionCallback();
+ }
+
+ return true;
+ };
+
+ NETDATA.getOption = function(key) {
+ return NETDATA.options.current[key.toString()];
+ };
+
+ // read settings from local storage
+ NETDATA.localStorageGetRecursive(NETDATA.options.current, 'options', null);
+
+ // always start with this option enabled.
+ NETDATA.setOption('stop_updates_when_focus_is_lost', true);
+
+ NETDATA.resetOptions = function() {
+ var keys = Object.keys(NETDATA.localStorage.default);
+ var len = keys.length;
+ while(len--) {
+ var i = keys[len];
+ var a = i.split('.');
+
+ if(a[0] === 'options') {
+ if(a[1] === 'setOptionCallback') continue;
+ if(typeof NETDATA.localStorage.default[i] === 'undefined') continue;
+ if(NETDATA.options.current[i] === NETDATA.localStorage.default[i]) continue;
+
+ NETDATA.setOption(a[1], NETDATA.localStorage.default[i]);
+ }
+ else if(a[0] === 'chart_heights') {
+ if(typeof NETDATA.localStorage.callback[i] === 'function' && typeof NETDATA.localStorage.default[i] !== 'undefined') {
+ NETDATA.localStorage.callback[i](NETDATA.localStorage.default[i]);
+ }
+ }
+ }
+
+ NETDATA.dateTime.init(NETDATA.options.current.timezone);
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('welcome to NETDATA');
+
+ NETDATA.onresizeCallback = null;
+ NETDATA.onresize = function() {
+ NETDATA.options.last_page_resize = Date.now();
+ NETDATA.onscroll();
+
+ if(typeof NETDATA.onresizeCallback === 'function')
+ NETDATA.onresizeCallback();
+ };
+
+ NETDATA.abort_all_refreshes = function() {
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+
+ while (len--) {
+ if (targets[len].fetching_data === true) {
+ if (typeof targets[len].xhr !== 'undefined') {
+ targets[len].xhr.abort();
+ targets[len].running = false;
+ targets[len].fetching_data = false;
+ }
+ }
+ }
+ };
+
+ NETDATA.onscroll_start_delay = function() {
+ NETDATA.options.last_page_scroll = Date.now();
+
+ NETDATA.options.on_scroll_refresher_stop_until =
+ NETDATA.options.last_page_scroll
+ + ((NETDATA.options.current.async_on_scroll === true) ? 1000 : 0);
+ };
+
+ NETDATA.onscroll_end_delay = function() {
+ NETDATA.options.on_scroll_refresher_stop_until =
+ Date.now()
+ + ((NETDATA.options.current.async_on_scroll === true) ? NETDATA.options.current.onscroll_worker_duration_threshold : 0);
+ };
+
+ NETDATA.onscroll_updater_timeout_id = undefined;
+ NETDATA.onscroll_updater = function() {
+ NETDATA.globalSelectionSync.stop();
+
+ if(NETDATA.options.abort_ajax_on_scroll === true)
+ NETDATA.abort_all_refreshes();
+
+ // when the user scrolls he sees that we have
+ // hidden all the not-visible charts
+ // using this little function we try to switch
+ // the charts back to visible quickly
+
+ if(NETDATA.intersectionObserver.enabled() === false) {
+ if (NETDATA.options.current.parallel_refresher === false) {
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+
+ while (len--)
+ if (targets[len].running === false)
+ targets[len].isVisible();
+ }
+ }
+
+ NETDATA.onscroll_end_delay();
+ };
+
+ NETDATA.scrollUp = false;
+ NETDATA.scrollY = window.scrollY;
+ NETDATA.onscroll = function() {
+ //console.log('onscroll() begin');
+
+ NETDATA.onscroll_start_delay();
+ NETDATA.chartRefresherReschedule();
+
+ NETDATA.scrollUp = (window.scrollY > NETDATA.scrollY);
+ NETDATA.scrollY = window.scrollY;
+
+ if(NETDATA.onscroll_updater_timeout_id)
+ NETDATA.timeout.clear(NETDATA.onscroll_updater_timeout_id);
+
+ NETDATA.onscroll_updater_timeout_id = NETDATA.timeout.set(NETDATA.onscroll_updater, 0);
+ //console.log('onscroll() end');
+ };
+
+ NETDATA.supportsPassiveEvents = function() {
+ if(NETDATA.options.passive_events === null) {
+ var supportsPassive = false;
+ try {
+ var opts = Object.defineProperty({}, 'passive', {
+ get: function () {
+ supportsPassive = true;
+ }
+ });
+ window.addEventListener("test", null, opts);
+ } catch (e) {
+ console.log('browser does not support passive events');
+ }
+
+ NETDATA.options.passive_events = supportsPassive;
+ }
+
+ // console.log('passive ' + NETDATA.options.passive_events);
+ return NETDATA.options.passive_events;
+ };
+
+ window.addEventListener('resize', NETDATA.onresize, NETDATA.supportsPassiveEvents() ? { passive: true } : false);
+ window.addEventListener('scroll', NETDATA.onscroll, NETDATA.supportsPassiveEvents() ? { passive: true } : false);
+ // window.onresize = NETDATA.onresize;
+ // window.onscroll = NETDATA.onscroll;
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Error Handling
+
+ NETDATA.errorCodes = {
+ 100: { message: "Cannot load chart library", alert: true },
+ 101: { message: "Cannot load jQuery", alert: true },
+ 402: { message: "Chart library not found", alert: false },
+ 403: { message: "Chart library not enabled/is failed", alert: false },
+ 404: { message: "Chart not found", alert: false },
+ 405: { message: "Cannot download charts index from server", alert: true },
+ 406: { message: "Invalid charts index downloaded from server", alert: true },
+ 407: { message: "Cannot HELLO netdata server", alert: false },
+ 408: { message: "Netdata servers sent invalid response to HELLO", alert: false },
+ 409: { message: "Cannot ACCESS netdata registry", alert: false },
+ 410: { message: "Netdata registry ACCESS failed", alert: false },
+ 411: { message: "Netdata registry server send invalid response to DELETE ", alert: false },
+ 412: { message: "Netdata registry DELETE failed", alert: false },
+ 413: { message: "Netdata registry server send invalid response to SWITCH ", alert: false },
+ 414: { message: "Netdata registry SWITCH failed", alert: false },
+ 415: { message: "Netdata alarms download failed", alert: false },
+ 416: { message: "Netdata alarms log download failed", alert: false },
+ 417: { message: "Netdata registry server send invalid response to SEARCH ", alert: false },
+ 418: { message: "Netdata registry SEARCH failed", alert: false }
+ };
+ NETDATA.errorLast = {
+ code: 0,
+ message: "",
+ datetime: 0
+ };
+
+ NETDATA.error = function(code, msg) {
+ NETDATA.errorLast.code = code;
+ NETDATA.errorLast.message = msg;
+ NETDATA.errorLast.datetime = Date.now();
+
+ console.log("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
+
+ var ret = true;
+ if(typeof netdataErrorCallback === 'function') {
+ ret = netdataErrorCallback('system', code, msg);
+ }
+
+ if(ret && NETDATA.errorCodes[code].alert)
+ alert("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
+ };
+
+ NETDATA.errorReset = function() {
+ NETDATA.errorLast.code = 0;
+ NETDATA.errorLast.message = "You are doing fine!";
+ NETDATA.errorLast.datetime = 0;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // fast numbers formatting
+
+ NETDATA.fastNumberFormat = {
+ formatters_fixed: [],
+ formatters_zero_based: [],
+
+ // this is the fastest and the preferred
+ getIntlNumberFormat: function(min, max) {
+ var key = max;
+ if(min === max) {
+ if(typeof this.formatters_fixed[key] === 'undefined')
+ this.formatters_fixed[key] = new Intl.NumberFormat(undefined, {
+ // style: 'decimal',
+ // minimumIntegerDigits: 1,
+ // minimumSignificantDigits: 1,
+ // maximumSignificantDigits: 1,
+ useGrouping: true,
+ minimumFractionDigits: min,
+ maximumFractionDigits: max
+ });
+
+ return this.formatters_fixed[key];
+ }
+ else if(min === 0) {
+ if(typeof this.formatters_zero_based[key] === 'undefined')
+ this.formatters_zero_based[key] = new Intl.NumberFormat(undefined, {
+ // style: 'decimal',
+ // minimumIntegerDigits: 1,
+ // minimumSignificantDigits: 1,
+ // maximumSignificantDigits: 1,
+ useGrouping: true,
+ minimumFractionDigits: min,
+ maximumFractionDigits: max
+ });
+
+ return this.formatters_zero_based[key];
+ }
+ else {
+ // this is never used
+ // it is added just for completeness
+ return new Intl.NumberFormat(undefined, {
+ // style: 'decimal',
+ // minimumIntegerDigits: 1,
+ // minimumSignificantDigits: 1,
+ // maximumSignificantDigits: 1,
+ useGrouping: true,
+ minimumFractionDigits: min,
+ maximumFractionDigits: max
+ });
+ }
+ },
+
+ // this respects locale
+ getLocaleString: function(min, max) {
+ var key = max;
+ if(min === max) {
+ if(typeof this.formatters_fixed[key] === 'undefined')
+ this.formatters_fixed[key] = {
+ format: function (value) {
+ return value.toLocaleString(undefined, {
+ // style: 'decimal',
+ // minimumIntegerDigits: 1,
+ // minimumSignificantDigits: 1,
+ // maximumSignificantDigits: 1,
+ useGrouping: true,
+ minimumFractionDigits: min,
+ maximumFractionDigits: max
+ });
+ }
+ };
+
+ return this.formatters_fixed[key];
+ }
+ else if(min === 0) {
+ if(typeof this.formatters_zero_based[key] === 'undefined')
+ this.formatters_zero_based[key] = {
+ format: function (value) {
+ return value.toLocaleString(undefined, {
+ // style: 'decimal',
+ // minimumIntegerDigits: 1,
+ // minimumSignificantDigits: 1,
+ // maximumSignificantDigits: 1,
+ useGrouping: true,
+ minimumFractionDigits: min,
+ maximumFractionDigits: max
+ });
+ }
+ };
+
+ return this.formatters_zero_based[key];
+ }
+ else {
+ return {
+ format: function (value) {
+ return value.toLocaleString(undefined, {
+ // style: 'decimal',
+ // minimumIntegerDigits: 1,
+ // minimumSignificantDigits: 1,
+ // maximumSignificantDigits: 1,
+ useGrouping: true,
+ minimumFractionDigits: min,
+ maximumFractionDigits: max
+ });
+ }
+ };
+ }
+ },
+
+ // the fallback
+ getFixed: function(min, max) {
+ var key = max;
+ if(min === max) {
+ if(typeof this.formatters_fixed[key] === 'undefined')
+ this.formatters_fixed[key] = {
+ format: function (value) {
+ if(value === 0) return "0";
+ return value.toFixed(max);
+ }
+ };
+
+ return this.formatters_fixed[key];
+ }
+ else if(min === 0) {
+ if(typeof this.formatters_zero_based[key] === 'undefined')
+ this.formatters_zero_based[key] = {
+ format: function (value) {
+ if(value === 0) return "0";
+ return value.toFixed(max);
+ }
+ };
+
+ return this.formatters_zero_based[key];
+ }
+ else {
+ return {
+ format: function (value) {
+ if(value === 0) return "0";
+ return value.toFixed(max);
+ }
+ };
+ }
+ },
+
+ testIntlNumberFormat: function() {
+ var value = 1.12345;
+ var e1 = "1.12", e2 = "1,12";
+ var s = "";
+
+ try {
+ var x = new Intl.NumberFormat(undefined, {
+ useGrouping: true,
+ minimumFractionDigits: 2,
+ maximumFractionDigits: 2
+ });
+
+ s = x.format(value);
+ }
+ catch(e) {
+ s = "";
+ }
+
+ // console.log('NumberFormat: ', s);
+ return (s === e1 || s === e2);
+ },
+
+ testLocaleString: function() {
+ var value = 1.12345;
+ var e1 = "1.12", e2 = "1,12";
+ var s = "";
+
+ try {
+ s = value.toLocaleString(undefined, {
+ useGrouping: true,
+ minimumFractionDigits: 2,
+ maximumFractionDigits: 2
+ });
+ }
+ catch(e) {
+ s = "";
+ }
+
+ // console.log('localeString: ', s);
+ return (s === e1 || s === e2);
+ },
+
+ // on first run we decide which formatter to use
+ get: function(min, max) {
+ if(this.testIntlNumberFormat()) {
+ // console.log('numberformat');
+ this.get = this.getIntlNumberFormat;
+ }
+ else if(this.testLocaleString()) {
+ // console.log('localestring');
+ this.get = this.getLocaleString;
+ }
+ else {
+ // console.log('fixed');
+ this.get = this.getFixed;
+ }
+ return this.get(min, max);
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // element data attributes
+
+ NETDATA.dataAttribute = function(element, attribute, def) {
+ var key = 'data-' + attribute.toString();
+ if(element.hasAttribute(key) === true) {
+ var data = element.getAttribute(key);
+
+ if(data === 'true') return true;
+ if(data === 'false') return false;
+ if(data === 'null') return null;
+
+ // Only convert to a number if it doesn't change the string
+ if(data === +data + '') return +data;
+
+ if(/^(?:\{[\w\W]*\}|\[[\w\W]*\])$/.test(data))
+ return JSON.parse(data);
+
+ return data;
+ }
+ else return def;
+ };
+
+ NETDATA.dataAttributeBoolean = function(element, attribute, def) {
+ var value = NETDATA.dataAttribute(element, attribute, def);
+
+ if(value === true || value === false)
+ return value;
+
+ if(typeof(value) === 'string') {
+ if(value === 'yes' || value === 'on')
+ return true;
+
+ if(value === '' || value === 'no' || value === 'off' || value === 'null')
+ return false;
+
+ return def;
+ }
+
+ if(typeof(value) === 'number')
+ return value !== 0;
+
+ return def;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // commonMin & commonMax
+
+ NETDATA.commonMin = {
+ keys: {},
+ latest: {},
+
+ globalReset: function() {
+ this.keys = {};
+ this.latest = {};
+ },
+
+ get: function(state) {
+ if(typeof state.tmp.__commonMin === 'undefined') {
+ // get the commonMin setting
+ state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null);
+ }
+
+ var min = state.data.min;
+ var name = state.tmp.__commonMin;
+
+ if(name === null) {
+ // we don't need commonMin
+ //state.log('no need for commonMin');
+ return min;
+ }
+
+ var t = this.keys[name];
+ if(typeof t === 'undefined') {
+ // add our commonMin
+ this.keys[name] = {};
+ t = this.keys[name];
+ }
+
+ var uuid = state.uuid;
+ if(typeof t[uuid] !== 'undefined') {
+ if(t[uuid] === min) {
+ //state.log('commonMin ' + state.tmp.__commonMin + ' not changed: ' + this.latest[name]);
+ return this.latest[name];
+ }
+ else if(min < this.latest[name]) {
+ //state.log('commonMin ' + state.tmp.__commonMin + ' increased: ' + min);
+ t[uuid] = min;
+ this.latest[name] = min;
+ return min;
+ }
+ }
+
+ // add our min
+ t[uuid] = min;
+
+ // find the common min
+ var m = min;
+ for(var i in t)
+ if(t.hasOwnProperty(i) && t[i] < m) m = t[i];
+
+ //state.log('commonMin ' + state.tmp.__commonMin + ' updated: ' + m);
+ this.latest[name] = m;
+ return m;
+ }
+ };
+
+ NETDATA.commonMax = {
+ keys: {},
+ latest: {},
+
+ globalReset: function() {
+ this.keys = {};
+ this.latest = {};
+ },
+
+ get: function(state) {
+ if(typeof state.tmp.__commonMax === 'undefined') {
+ // get the commonMax setting
+ state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null);
+ }
+
+ var max = state.data.max;
+ var name = state.tmp.__commonMax;
+
+ if(name === null) {
+ // we don't need commonMax
+ //state.log('no need for commonMax');
+ return max;
+ }
+
+ var t = this.keys[name];
+ if(typeof t === 'undefined') {
+ // add our commonMax
+ this.keys[name] = {};
+ t = this.keys[name];
+ }
+
+ var uuid = state.uuid;
+ if(typeof t[uuid] !== 'undefined') {
+ if(t[uuid] === max) {
+ //state.log('commonMax ' + state.tmp.__commonMax + ' not changed: ' + this.latest[name]);
+ return this.latest[name];
+ }
+ else if(max > this.latest[name]) {
+ //state.log('commonMax ' + state.tmp.__commonMax + ' increased: ' + max);
+ t[uuid] = max;
+ this.latest[name] = max;
+ return max;
+ }
+ }
+
+ // add our max
+ t[uuid] = max;
+
+ // find the common max
+ var m = max;
+ for(var i in t)
+ if(t.hasOwnProperty(i) && t[i] > m) m = t[i];
+
+ //state.log('commonMax ' + state.tmp.__commonMax + ' updated: ' + m);
+ this.latest[name] = m;
+ return m;
+ }
+ };
+
+ NETDATA.commonColors = {
+ keys: {},
+
+ globalReset: function() {
+ this.keys = {};
+ },
+
+ get: function(state, label) {
+ var ret = this.refill(state);
+
+ if(typeof ret.assigned[label] === 'undefined')
+ ret.assigned[label] = ret.available.shift();
+
+ return ret.assigned[label];
+ },
+
+ refill: function(state) {
+ var ret, len;
+
+ if(typeof state.tmp.__commonColors === 'undefined')
+ ret = this.prepare(state);
+ else {
+ ret = this.keys[state.tmp.__commonColors];
+ if(typeof ret === 'undefined')
+ ret = this.prepare(state);
+ }
+
+ if(ret.available.length === 0) {
+ if(ret.copy_theme === true || ret.custom.length === 0) {
+ // copy the theme colors
+ len = NETDATA.themes.current.colors.length;
+ while (len--)
+ ret.available.unshift(NETDATA.themes.current.colors[len]);
+ }
+
+ // copy the custom colors
+ len = ret.custom.length;
+ while (len--)
+ ret.available.unshift(ret.custom[len]);
+ }
+
+ state.colors_assigned = ret.assigned;
+ state.colors_available = ret.available;
+ state.colors_custom = ret.custom;
+
+ return ret;
+ },
+
+ __read_custom_colors: function(state, ret) {
+ // add the user supplied colors
+ var c = NETDATA.dataAttribute(state.element, 'colors', undefined);
+ if (typeof c === 'string' && c.length > 0) {
+ c = c.split(' ');
+ var len = c.length;
+
+ if (len > 0 && c[len - 1] === 'ONLY') {
+ len--;
+ ret.copy_theme = false;
+ }
+
+ while (len--)
+ ret.custom.unshift(c[len]);
+ }
+ },
+
+ prepare: function(state) {
+ var has_custom_colors = false;
+
+ if(typeof state.tmp.__commonColors === 'undefined') {
+ var defname = state.chart.context;
+
+ // if this chart has data-colors=""
+ // we should use the chart uuid as the default key (private palette)
+ // (data-common-colors="NAME" will be used anyways)
+ var c = NETDATA.dataAttribute(state.element, 'colors', undefined);
+ if (typeof c === 'string' && c.length > 0) {
+ defname = state.uuid;
+ has_custom_colors = true;
+ }
+
+ // get the commonColors setting
+ state.tmp.__commonColors = NETDATA.dataAttribute(state.element, 'common-colors', defname);
+ }
+
+ var name = state.tmp.__commonColors;
+ var ret = this.keys[name];
+
+ if(typeof ret === 'undefined') {
+ // add our commonMax
+ this.keys[name] = {
+ assigned: {}, // name-value of dimensions and their colors
+ available: [], // an array of colors available to be used
+ custom: [], // the array of colors defined by the user
+ charts: {}, // the charts linked to this
+ copy_theme: true
+ };
+ ret = this.keys[name];
+ }
+
+ if(typeof ret.charts[state.uuid] === 'undefined') {
+ ret.charts[state.uuid] = state;
+
+ if(has_custom_colors === true)
+ this.__read_custom_colors(state, ret);
+ }
+
+ return ret;
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Chart Registry
+
+ // When multiple charts need the same chart, we avoid downloading it
+ // multiple times (and having it in browser memory multiple time)
+ // by using this registry.
+
+ // Every time we download a chart definition, we save it here with .add()
+ // Then we try to get it back with .get(). If that fails, we download it.
+
+ NETDATA.fixHost = function(host) {
+ while(host.slice(-1) === '/')
+ host = host.substring(0, host.length - 1);
+
+ return host;
+ };
+
+ NETDATA.chartRegistry = {
+ charts: {},
+
+ globalReset: function() {
+ this.charts = {};
+ },
+
+ add: function(host, id, data) {
+ if(typeof this.charts[host] === 'undefined')
+ this.charts[host] = {};
+
+ //console.log('added ' + host + '/' + id);
+ this.charts[host][id] = data;
+ },
+
+ get: function(host, id) {
+ if(typeof this.charts[host] === 'undefined')
+ return null;
+
+ if(typeof this.charts[host][id] === 'undefined')
+ return null;
+
+ //console.log('cached ' + host + '/' + id);
+ return this.charts[host][id];
+ },
+
+ downloadAll: function(host, callback) {
+ host = NETDATA.fixHost(host);
+
+ var self = this;
+
+ function got_data(h, data, callback) {
+ if(data !== null) {
+ self.charts[h] = data.charts;
+
+ // update the server timezone in our options
+ if(typeof data.timezone === 'string')
+ NETDATA.options.server_timezone = data.timezone;
+ }
+ else NETDATA.error(406, h + '/api/v1/charts');
+
+ if(typeof callback === 'function')
+ callback(data);
+ }
+
+ if(netdataSnapshotData !== null) {
+ got_data(host, netdataSnapshotData.charts, callback);
+ }
+ else {
+ $.ajax({
+ url: host + '/api/v1/charts',
+ async: true,
+ cache: false,
+ xhrFields: {withCredentials: true} // required for the cookie
+ })
+ .done(function (data) {
+ data = NETDATA.xss.checkOptional('/api/v1/charts', data);
+ got_data(host, data, callback);
+ })
+ .fail(function () {
+ NETDATA.error(405, host + '/api/v1/charts');
+
+ if (typeof callback === 'function')
+ callback(null);
+ });
+ }
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Global Pan and Zoom on charts
+
+ // Using this structure are synchronize all the charts, so that
+ // when you pan or zoom one, all others are automatically refreshed
+ // to the same timespan.
+
+ NETDATA.globalPanAndZoom = {
+ seq: 0, // timestamp ms
+ // every time a chart is panned or zoomed
+ // we set the timestamp here
+ // then we use it as a sequence number
+ // to find if other charts are synchronized
+ // to this time-range
+
+ master: null, // the master chart (state), to which all others
+ // are synchronized
+
+ force_before_ms: null, // the timespan to sync all other charts
+ force_after_ms: null,
+
+ callback: null,
+
+ globalReset: function() {
+ this.clearMaster();
+ this.seq = 0;
+ this.master = null;
+ this.force_after_ms = null;
+ this.force_before_ms = null;
+ this.callback = null;
+ },
+
+ delay: function() {
+ if(NETDATA.options.debug.globalPanAndZoom === true)
+ console.log('globalPanAndZoom.delay()');
+
+ NETDATA.options.auto_refresher_stop_until = Date.now() + NETDATA.options.current.global_pan_sync_time;
+ },
+
+ // set a new master
+ setMaster: function(state, after, before) {
+ this.delay();
+
+ if(NETDATA.options.current.sync_pan_and_zoom === false)
+ return;
+
+ if(this.master === null) {
+ if(NETDATA.options.debug.globalPanAndZoom === true)
+ console.log('globalPanAndZoom.setMaster(' + state.id + ', ' + after + ', ' + before + ') SET MASTER');
+ }
+ else if(this.master !== state) {
+ if(NETDATA.options.debug.globalPanAndZoom === true)
+ console.log('globalPanAndZoom.setMaster(' + state.id + ', ' + after + ', ' + before + ') CHANGED MASTER');
+
+ this.master.resetChart(true, true);
+ }
+
+ var now = Date.now();
+ this.master = state;
+ this.seq = now;
+ this.force_after_ms = after;
+ this.force_before_ms = before;
+
+ if(typeof this.callback === 'function')
+ this.callback(true, after, before);
+ },
+
+ // clear the master
+ clearMaster: function() {
+ if(NETDATA.options.debug.globalPanAndZoom === true)
+ console.log('globalPanAndZoom.clearMaster()');
+
+ if(this.master !== null) {
+ var st = this.master;
+ this.master = null;
+ st.resetChart();
+ }
+
+ this.master = null;
+ this.seq = 0;
+ this.force_after_ms = null;
+ this.force_before_ms = null;
+ NETDATA.options.auto_refresher_stop_until = 0;
+
+ if(typeof this.callback === 'function')
+ this.callback(false, 0, 0);
+ },
+
+ // is the given state the master of the global
+ // pan and zoom sync?
+ isMaster: function(state) {
+ return (this.master === state);
+ },
+
+ // are we currently have a global pan and zoom sync?
+ isActive: function() {
+ return (this.master !== null && this.force_before_ms !== null && this.force_after_ms !== null && this.seq !== 0);
+ },
+
+ // check if a chart, other than the master
+ // needs to be refreshed, due to the global pan and zoom
+ shouldBeAutoRefreshed: function(state) {
+ if(this.master === null || this.seq === 0)
+ return false;
+
+ //if(state.needsRecreation())
+ // return true;
+
+ return (state.tm.pan_and_zoom_seq !== this.seq);
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global chart underlay (time-frame highlighting)
+
+ NETDATA.globalChartUnderlay = {
+ callback: null, // what to call when a highlighted range is setup
+ after: null, // highlight after this time
+ before: null, // highlight before this time
+ view_after: null, // the charts after_ms viewport when the highlight was setup
+ view_before: null, // the charts before_ms viewport, when the highlight was setup
+ state: null, // the chart the highlight was setup
+
+ isActive: function() {
+ return (this.after !== null && this.before !== null);
+ },
+
+ hasViewport: function() {
+ return (this.state !== null && this.view_after !== null && this.view_before !== null);
+ },
+
+ init: function(state, after, before, view_after, view_before) {
+ this.state = (typeof state !== 'undefined') ? state : null;
+ this.after = (typeof after !== 'undefined' && after !== null && after > 0) ? after : null;
+ this.before = (typeof before !== 'undefined' && before !== null && before > 0) ? before : null;
+ this.view_after = (typeof view_after !== 'undefined' && view_after !== null && view_after > 0) ? view_after : null;
+ this.view_before = (typeof view_before !== 'undefined' && view_before !== null && view_before > 0) ? view_before : null;
+ },
+
+ setup: function() {
+ if(this.isActive() === true) {
+ if (this.state === null)
+ this.state = NETDATA.options.targets[0];
+
+ if (typeof this.callback === 'function')
+ this.callback(true, this.after, this.before);
+ }
+ else {
+ if (typeof this.callback === 'function')
+ this.callback(false, 0, 0);
+ }
+ },
+
+ set: function(state, after, before, view_after, view_before) {
+ if(after > before) {
+ var t = after;
+ after = before;
+ before = t;
+ }
+
+ this.init(state, after, before, view_after, view_before);
+
+ if (this.hasViewport() === true)
+ NETDATA.globalPanAndZoom.setMaster(this.state, this.view_after, this.view_before);
+
+ this.setup();
+ },
+
+ clear: function() {
+ this.after = null;
+ this.before = null;
+ this.state = null;
+ this.view_after = null;
+ this.view_before = null;
+
+ if(typeof this.callback === 'function')
+ this.callback(false, 0, 0);
+ },
+
+ focus: function() {
+ if(this.isActive() === true && this.hasViewport() === true) {
+ if(this.state === null)
+ this.state = NETDATA.options.targets[0];
+
+ if(NETDATA.globalPanAndZoom.isMaster(this.state) === true)
+ NETDATA.globalPanAndZoom.clearMaster();
+
+ NETDATA.globalPanAndZoom.setMaster(this.state, this.view_after, this.view_before, true);
+ }
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // dimensions selection
+
+ // TODO
+ // move color assignment to dimensions, here
+
+ var dimensionStatus = function(parent, label, name_div, value_div, color) {
+ this.enabled = false;
+ this.parent = parent;
+ this.label = label;
+ this.name_div = null;
+ this.value_div = null;
+ this.color = NETDATA.themes.current.foreground;
+ this.selected = (parent.unselected_count === 0);
+
+ this.setOptions(name_div, value_div, color);
+ };
+
+ dimensionStatus.prototype.invalidate = function() {
+ this.name_div = null;
+ this.value_div = null;
+ this.enabled = false;
+ };
+
+ dimensionStatus.prototype.setOptions = function(name_div, value_div, color) {
+ this.color = color;
+
+ if(this.name_div !== name_div) {
+ this.name_div = name_div;
+ this.name_div.title = this.label;
+ this.name_div.style.setProperty('color', this.color, 'important');
+ if(this.selected === false)
+ this.name_div.className = 'netdata-legend-name not-selected';
+ else
+ this.name_div.className = 'netdata-legend-name selected';
+ }
+
+ if(this.value_div !== value_div) {
+ this.value_div = value_div;
+ this.value_div.title = this.label;
+ this.value_div.style.setProperty('color', this.color, 'important');
+ if(this.selected === false)
+ this.value_div.className = 'netdata-legend-value not-selected';
+ else
+ this.value_div.className = 'netdata-legend-value selected';
+ }
+
+ this.enabled = true;
+ this.setHandler();
+ };
+
+ dimensionStatus.prototype.setHandler = function() {
+ if(this.enabled === false) return;
+
+ var ds = this;
+
+ // this.name_div.onmousedown = this.value_div.onmousedown = function(e) {
+ this.name_div.onclick = this.value_div.onclick = function(e) {
+ e.preventDefault();
+ if(ds.isSelected()) {
+ // this is selected
+ if(e.shiftKey === true || e.ctrlKey === true) {
+ // control or shift key is pressed -> unselect this (except is none will remain selected, in which case select all)
+ ds.unselect();
+
+ if(ds.parent.countSelected() === 0)
+ ds.parent.selectAll();
+ }
+ else {
+ // no key is pressed -> select only this (except if it is the only selected already, in which case select all)
+ if(ds.parent.countSelected() === 1) {
+ ds.parent.selectAll();
+ }
+ else {
+ ds.parent.selectNone();
+ ds.select();
+ }
+ }
+ }
+ else {
+ // this is not selected
+ if(e.shiftKey === true || e.ctrlKey === true) {
+ // control or shift key is pressed -> select this too
+ ds.select();
+ }
+ else {
+ // no key is pressed -> select only this
+ ds.parent.selectNone();
+ ds.select();
+ }
+ }
+
+ ds.parent.state.redrawChart();
+ }
+ };
+
+ dimensionStatus.prototype.select = function() {
+ if(this.enabled === false) return;
+
+ this.name_div.className = 'netdata-legend-name selected';
+ this.value_div.className = 'netdata-legend-value selected';
+ this.selected = true;
+ };
+
+ dimensionStatus.prototype.unselect = function() {
+ if(this.enabled === false) return;
+
+ this.name_div.className = 'netdata-legend-name not-selected';
+ this.value_div.className = 'netdata-legend-value hidden';
+ this.selected = false;
+ };
+
+ dimensionStatus.prototype.isSelected = function() {
+ return(this.enabled === true && this.selected === true);
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ var dimensionsVisibility = function(state) {
+ this.state = state;
+ this.len = 0;
+ this.dimensions = {};
+ this.selected_count = 0;
+ this.unselected_count = 0;
+ };
+
+ dimensionsVisibility.prototype.dimensionAdd = function(label, name_div, value_div, color) {
+ if(typeof this.dimensions[label] === 'undefined') {
+ this.len++;
+ this.dimensions[label] = new dimensionStatus(this, label, name_div, value_div, color);
+ }
+ else
+ this.dimensions[label].setOptions(name_div, value_div, color);
+
+ return this.dimensions[label];
+ };
+
+ dimensionsVisibility.prototype.dimensionGet = function(label) {
+ return this.dimensions[label];
+ };
+
+ dimensionsVisibility.prototype.invalidateAll = function() {
+ var keys = Object.keys(this.dimensions);
+ var len = keys.length;
+ while(len--)
+ this.dimensions[keys[len]].invalidate();
+ };
+
+ dimensionsVisibility.prototype.selectAll = function() {
+ var keys = Object.keys(this.dimensions);
+ var len = keys.length;
+ while(len--)
+ this.dimensions[keys[len]].select();
+ };
+
+ dimensionsVisibility.prototype.countSelected = function() {
+ var selected = 0;
+ var keys = Object.keys(this.dimensions);
+ var len = keys.length;
+ while(len--)
+ if(this.dimensions[keys[len]].isSelected()) selected++;
+
+ return selected;
+ };
+
+ dimensionsVisibility.prototype.selectNone = function() {
+ var keys = Object.keys(this.dimensions);
+ var len = keys.length;
+ while(len--)
+ this.dimensions[keys[len]].unselect();
+ };
+
+ dimensionsVisibility.prototype.selected2BooleanArray = function(array) {
+ var ret = [];
+ this.selected_count = 0;
+ this.unselected_count = 0;
+
+ var len = array.length;
+ while(len--) {
+ var ds = this.dimensions[array[len]];
+ if(typeof ds === 'undefined') {
+ // console.log(array[i] + ' is not found');
+ ret.unshift(false);
+ }
+ else if(ds.isSelected()) {
+ ret.unshift(true);
+ this.selected_count++;
+ }
+ else {
+ ret.unshift(false);
+ this.unselected_count++;
+ }
+ }
+
+ if(this.selected_count === 0 && this.unselected_count !== 0) {
+ this.selectAll();
+ return this.selected2BooleanArray(array);
+ }
+
+ return ret;
+ };
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // date/time conversion
+
+ NETDATA.dateTime = {
+ using_timezone: false,
+
+ // these are the old netdata functions
+ // we fallback to these, if the new ones fail
+
+ localeDateStringNative: function(d) {
+ return d.toLocaleDateString();
+ },
+
+ localeTimeStringNative: function(d) {
+ return d.toLocaleTimeString();
+ },
+
+ xAxisTimeStringNative: function(d) {
+ return NETDATA.zeropad(d.getHours()) + ":"
+ + NETDATA.zeropad(d.getMinutes()) + ":"
+ + NETDATA.zeropad(d.getSeconds());
+ },
+
+ // initialize the new date/time conversion
+ // functions.
+ // if this fails, we fallback to the above
+ init: function(timezone) {
+ //console.log('init with timezone: ' + timezone);
+
+ // detect browser timezone
+ try {
+ NETDATA.options.browser_timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+ }
+ catch(e) {
+ console.log('failed to detect browser timezone: ' + e.toString());
+ NETDATA.options.browser_timezone = 'cannot-detect-it';
+ }
+
+ var ret = false;
+
+ try {
+ var dateOptions ={
+ localeMatcher: 'best fit',
+ formatMatcher: 'best fit',
+ weekday: 'short',
+ year: 'numeric',
+ month: 'short',
+ day: '2-digit'
+ };
+
+ var timeOptions = {
+ localeMatcher: 'best fit',
+ hour12: false,
+ formatMatcher: 'best fit',
+ hour: '2-digit',
+ minute: '2-digit',
+ second: '2-digit'
+ };
+
+ var xAxisOptions = {
+ localeMatcher: 'best fit',
+ hour12: false,
+ formatMatcher: 'best fit',
+ hour: '2-digit',
+ minute: '2-digit',
+ second: '2-digit'
+ };
+
+ if(typeof timezone === 'string' && timezone !== '' && timezone !== 'default') {
+ dateOptions.timeZone = timezone;
+ timeOptions.timeZone = timezone;
+ timeOptions.timeZoneName = 'short';
+ xAxisOptions.timeZone = timezone;
+ this.using_timezone = true;
+ }
+ else {
+ timezone = 'default';
+ this.using_timezone = false;
+ }
+
+ this.dateFormat = new Intl.DateTimeFormat(navigator.language, dateOptions);
+ this.timeFormat = new Intl.DateTimeFormat(navigator.language, timeOptions);
+ this.xAxisFormat = new Intl.DateTimeFormat(navigator.language, xAxisOptions);
+
+ this.localeDateString = function(d) {
+ return this.dateFormat.format(d);
+ };
+
+ this.localeTimeString = function(d) {
+ return this.timeFormat.format(d);
+ };
+
+ this.xAxisTimeString = function(d) {
+ return this.xAxisFormat.format(d);
+ };
+
+ //var d = new Date();
+ //var t = this.dateFormat.format(d) + ' ' + this.timeFormat.format(d) + ' ' + this.xAxisFormat.format(d);
+
+ ret = true;
+ }
+ catch(e) {
+ console.log('Cannot setup Date/Time formatting: ' + e.toString());
+
+ timezone = 'default';
+ this.localeDateString = this.localeDateStringNative;
+ this.localeTimeString = this.localeTimeStringNative;
+ this.xAxisTimeString = this.xAxisTimeStringNative;
+ this.using_timezone = false;
+
+ ret = false;
+ }
+
+ // save it
+ //console.log('init setOption timezone: ' + timezone);
+ NETDATA.setOption('timezone', timezone);
+
+ return ret;
+ }
+ };
+ NETDATA.dateTime.init(NETDATA.options.current.timezone);
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // units conversion
+
+ NETDATA.unitsConversion = {
+ keys: {}, // keys for data-common-units
+ latest: {}, // latest selected units for data-common-units
+
+ globalReset: function() {
+ this.keys = {};
+ this.latest = {};
+ },
+
+ scalableUnits: {
+ 'packets/s': {
+ 'pps': 1,
+ 'Kpps': 1000,
+ 'Mpps': 1000000
+ },
+ 'pps': {
+ 'pps': 1,
+ 'Kpps': 1000,
+ 'Mpps': 1000000
+ },
+ 'kilobits/s': {
+ 'bits/s': 1 / 1000,
+ 'kilobits/s': 1,
+ 'megabits/s': 1000,
+ 'gigabits/s': 1000000,
+ 'terabits/s': 1000000000
+ },
+ 'kilobytes/s': {
+ 'bytes/s': 1 / 1024,
+ 'kilobytes/s': 1,
+ 'megabytes/s': 1024,
+ 'gigabytes/s': 1024 * 1024,
+ 'terabytes/s': 1024 * 1024 * 1024
+ },
+ 'KB/s': {
+ 'B/s': 1 / 1024,
+ 'KB/s': 1,
+ 'MB/s': 1024,
+ 'GB/s': 1024 * 1024,
+ 'TB/s': 1024 * 1024 * 1024
+ },
+ 'KB': {
+ 'B': 1 / 1024,
+ 'KB': 1,
+ 'MB': 1024,
+ 'GB': 1024 * 1024,
+ 'TB': 1024 * 1024 * 1024
+ },
+ 'MB': {
+ 'B': 1 / (1024 * 1024),
+ 'KB': 1 / 1024,
+ 'MB': 1,
+ 'GB': 1024,
+ 'TB': 1024 * 1024,
+ 'PB': 1024 * 1024 * 1024
+ },
+ 'GB': {
+ 'B': 1 / (1024 * 1024 * 1024),
+ 'KB': 1 / (1024 * 1024),
+ 'MB': 1 / 1024,
+ 'GB': 1,
+ 'TB': 1024,
+ 'PB': 1024 * 1024,
+ 'EB': 1024 * 1024 * 1024
+ }
+ /*
+ 'milliseconds': {
+ 'seconds': 1000
+ },
+ 'seconds': {
+ 'milliseconds': 0.001,
+ 'seconds': 1,
+ 'minutes': 60,
+ 'hours': 3600,
+ 'days': 86400
+ }
+ */
+ },
+
+ convertibleUnits: {
+ 'Celsius': {
+ 'Fahrenheit': {
+ check: function(max) { void(max); return NETDATA.options.current.temperature === 'fahrenheit'; },
+ convert: function(value) { return value * 9 / 5 + 32; }
+ }
+ },
+ 'celsius': {
+ 'fahrenheit': {
+ check: function(max) { void(max); return NETDATA.options.current.temperature === 'fahrenheit'; },
+ convert: function(value) { return value * 9 / 5 + 32; }
+ }
+ },
+ 'seconds': {
+ 'time': {
+ check: function (max) { void(max); return NETDATA.options.current.seconds_as_time; },
+ convert: function(seconds) { return NETDATA.unitsConversion.seconds2time(seconds); }
+ }
+ },
+ 'milliseconds': {
+ 'milliseconds': {
+ check: function (max) { return NETDATA.options.current.seconds_as_time && max < 1000; },
+ convert: function(milliseconds) {
+ var tms = Math.round(milliseconds * 10);
+ milliseconds = Math.floor(tms / 10);
+
+ tms -= milliseconds * 10;
+
+ return (milliseconds).toString() + '.' + tms.toString();
+ }
+ },
+ 'seconds': {
+ check: function (max) { return NETDATA.options.current.seconds_as_time && max >= 1000 && max < 60000; },
+ convert: function(milliseconds) {
+ milliseconds = Math.round(milliseconds);
+
+ var seconds = Math.floor(milliseconds / 1000);
+ milliseconds -= seconds * 1000;
+
+ milliseconds = Math.round(milliseconds / 10);
+
+ return seconds.toString() + '.'
+ + NETDATA.zeropad(milliseconds);
+ }
+ },
+ 'M:SS.ms': {
+ check: function (max) { return NETDATA.options.current.seconds_as_time && max >= 60000; },
+ convert: function(milliseconds) {
+ milliseconds = Math.round(milliseconds);
+
+ var minutes = Math.floor(milliseconds / 60000);
+ milliseconds -= minutes * 60000;
+
+ var seconds = Math.floor(milliseconds / 1000);
+ milliseconds -= seconds * 1000;
+
+ milliseconds = Math.round(milliseconds / 10);
+
+ return minutes.toString() + ':'
+ + NETDATA.zeropad(seconds) + '.'
+ + NETDATA.zeropad(milliseconds);
+ }
+ }
+ }
+ },
+
+ seconds2time: function(seconds) {
+ seconds = Math.abs(seconds);
+
+ var days = Math.floor(seconds / 86400);
+ seconds -= days * 86400;
+
+ var hours = Math.floor(seconds / 3600);
+ seconds -= hours * 3600;
+
+ var minutes = Math.floor(seconds / 60);
+ seconds -= minutes * 60;
+
+ seconds = Math.round(seconds);
+
+ var ms_txt = '';
+ /*
+ var ms = seconds - Math.floor(seconds);
+ seconds -= ms;
+ ms = Math.round(ms * 1000);
+
+ if(ms > 1) {
+ if(ms < 10)
+ ms_txt = '.00' + ms.toString();
+ else if(ms < 100)
+ ms_txt = '.0' + ms.toString();
+ else
+ ms_txt = '.' + ms.toString();
+ }
+ */
+
+ return ((days > 0)?days.toString() + 'd:':'').toString()
+ + NETDATA.zeropad(hours) + ':'
+ + NETDATA.zeropad(minutes) + ':'
+ + NETDATA.zeropad(seconds)
+ + ms_txt;
+ },
+
+ // get a function that converts the units
+ // + every time units are switched call the callback
+ get: function(uuid, min, max, units, desired_units, common_units_name, switch_units_callback) {
+ // validate the parameters
+ if(typeof units === 'undefined')
+ units = 'undefined';
+
+ // check if we support units conversion
+ if(typeof this.scalableUnits[units] === 'undefined' && typeof this.convertibleUnits[units] === 'undefined') {
+ // we can't convert these units
+ //console.log('DEBUG: ' + uuid.toString() + ' can\'t convert units: ' + units.toString());
+ return function(value) { return value; };
+ }
+
+ // check if the caller wants the original units
+ if(typeof desired_units === 'undefined' || desired_units === null || desired_units === 'original' || desired_units === units) {
+ //console.log('DEBUG: ' + uuid.toString() + ' original units wanted');
+ switch_units_callback(units);
+ return function(value) { return value; };
+ }
+
+ // now we know we can convert the units
+ // and the caller wants some kind of conversion
+
+ var tunits = null;
+ var tdivider = 0;
+ var x;
+
+ if(typeof this.scalableUnits[units] !== 'undefined') {
+ // units that can be scaled
+ // we decide a divider
+
+ // console.log('NETDATA.unitsConversion.get(' + units.toString() + ', ' + desired_units.toString() + ', function()) decide divider with min = ' + min.toString() + ', max = ' + max.toString());
+
+ if (desired_units === 'auto') {
+ // the caller wants to auto-scale the units
+
+ // find the absolute maximum value that is rendered on the chart
+ // based on this we decide the scale
+ min = Math.abs(min);
+ max = Math.abs(max);
+ if (min > max) max = min;
+
+ // find the smallest scale that provides integers
+ for (x in this.scalableUnits[units]) {
+ if (this.scalableUnits[units].hasOwnProperty(x)) {
+ var m = this.scalableUnits[units][x];
+ if (m <= max && m > tdivider) {
+ tunits = x;
+ tdivider = m;
+ }
+ }
+ }
+
+ if(tunits === null || tdivider <= 0) {
+ // we couldn't find one
+ //console.log('DEBUG: ' + uuid.toString() + ' cannot find an auto-scaling candidate for units: ' + units.toString() + ' (max: ' + max.toString() + ')');
+ switch_units_callback(units);
+ return function(value) { return value; };
+ }
+
+ if(typeof common_units_name === 'string' && typeof uuid === 'string') {
+ // the caller wants several charts to have the same units
+ // data-common-units
+
+ var common_units_key = common_units_name + '-' + units;
+
+ // add our divider into the list of keys
+ var t = this.keys[common_units_key];
+ if(typeof t === 'undefined') {
+ this.keys[common_units_key] = {};
+ t = this.keys[common_units_key];
+ }
+ t[uuid] = {
+ units: tunits,
+ divider: tdivider
+ };
+
+ // find the max divider of all charts
+ var common_units = t[uuid];
+ for(x in t) {
+ if (t.hasOwnProperty(x) && t[x].divider > common_units.divider)
+ common_units = t[x];
+ }
+
+ // save our common_max to the latest keys
+ var latest = this.latest[common_units_key];
+ if(typeof latest === 'undefined') {
+ this.latest[common_units_key] = {};
+ latest = this.latest[common_units_key];
+ }
+ latest.units = common_units.units;
+ latest.divider = common_units.divider;
+
+ tunits = latest.units;
+ tdivider = latest.divider;
+
+ //console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + tunits.toString() + ' with divider ' + tdivider.toString() + ', common-units=' + common_units_name.toString() + ((t[uuid].divider !== tdivider)?' USED COMMON, mine was ' + t[uuid].units:' set common').toString());
+
+ // apply it to this chart
+ switch_units_callback(tunits);
+ return function(value) {
+ if(tdivider !== latest.divider) {
+ // another chart switched our common units
+ // we should switch them too
+ //console.log('DEBUG: ' + uuid + ' switching units due to a common-units change, from ' + tunits.toString() + ' to ' + latest.units.toString());
+ tunits = latest.units;
+ tdivider = latest.divider;
+ switch_units_callback(tunits);
+ }
+
+ return value / tdivider;
+ };
+ }
+ else {
+ // the caller did not give data-common-units
+ // this chart auto-scales independently of all others
+ //console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + tunits.toString() + ' with divider ' + tdivider.toString() + ', autonomously');
+
+ switch_units_callback(tunits);
+ return function (value) { return value / tdivider; };
+ }
+ }
+ else {
+ // the caller wants specific units
+
+ if(typeof this.scalableUnits[units][desired_units] !== 'undefined') {
+ // all good, set the new units
+ tdivider = this.scalableUnits[units][desired_units];
+ // console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + desired_units.toString() + ' with divider ' + tdivider.toString() + ', by reference');
+ switch_units_callback(desired_units);
+ return function (value) { return value / tdivider; };
+ }
+ else {
+ // oops! switch back to original units
+ console.log('Units conversion from ' + units.toString() + ' to ' + desired_units.toString() + ' is not supported.');
+ switch_units_callback(units);
+ return function (value) { return value; };
+ }
+ }
+ }
+ else if(typeof this.convertibleUnits[units] !== 'undefined') {
+ // units that can be converted
+ if(desired_units === 'auto') {
+ for(x in this.convertibleUnits[units]) {
+ if (this.convertibleUnits[units].hasOwnProperty(x)) {
+ if (this.convertibleUnits[units][x].check(max)) {
+ //console.log('DEBUG: ' + uuid.toString() + ' converting ' + units.toString() + ' to: ' + x.toString());
+ switch_units_callback(x);
+ return this.convertibleUnits[units][x].convert;
+ }
+ }
+ }
+
+ // none checked ok
+ //console.log('DEBUG: ' + uuid.toString() + ' no conversion available for ' + units.toString() + ' to: ' + desired_units.toString());
+ switch_units_callback(units);
+ return function (value) { return value; };
+ }
+ else if(typeof this.convertibleUnits[units][desired_units] !== 'undefined') {
+ switch_units_callback(desired_units);
+ return this.convertibleUnits[units][desired_units].convert;
+ }
+ else {
+ console.log('Units conversion from ' + units.toString() + ' to ' + desired_units.toString() + ' is not supported.');
+ switch_units_callback(units);
+ return function (value) { return value; };
+ }
+ }
+ else {
+ // hm... did we forget to implement the new type?
+ console.log('Unmatched unit conversion method for units ' + units.toString());
+ switch_units_callback(units);
+ return function (value) { return value; };
+ }
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
+
+ NETDATA.globalSelectionSync = {
+ state: null,
+ dont_sync_before: 0,
+ last_t: 0,
+ slaves: [],
+ timeout_id: undefined,
+
+ globalReset: function() {
+ this.stop();
+ this.state = null;
+ this.dont_sync_before = 0;
+ this.last_t = 0;
+ this.slaves = [];
+ this.timeout_id = undefined;
+ },
+
+ active: function() {
+ return (this.state !== null);
+ },
+
+ // return true if global selection sync can be enabled now
+ enabled: function() {
+ // console.log('enabled()');
+ // can we globally apply selection sync?
+ if(NETDATA.options.current.sync_selection === false)
+ return false;
+
+ return (this.dont_sync_before <= Date.now());
+ },
+
+ // set the global selection sync master
+ setMaster: function(state) {
+ if(this.enabled() === false) {
+ this.stop();
+ return;
+ }
+
+ if(this.state === state)
+ return;
+
+ if(this.state !== null)
+ this.stop();
+
+ if(NETDATA.options.debug.globalSelectionSync === true)
+ console.log('globalSelectionSync.setMaster(' + state.id + ')');
+
+ state.selected = true;
+ this.state = state;
+ this.last_t = 0;
+
+ // find all slaves
+ var targets = NETDATA.intersectionObserver.targets();
+ this.slaves = [];
+ var len = targets.length;
+ while(len--) {
+ var st = targets[len];
+ if (this.state !== st && st.globalSelectionSyncIsEligible() === true)
+ this.slaves.push(st);
+ }
+
+ // this.delay(100);
+ },
+
+ // stop global selection sync
+ stop: function() {
+ if(this.state !== null) {
+ if(NETDATA.options.debug.globalSelectionSync === true)
+ console.log('globalSelectionSync.stop()');
+
+ var len = this.slaves.length;
+ while (len--)
+ this.slaves[len].clearSelection();
+
+ this.state.clearSelection();
+
+ this.last_t = 0;
+ this.slaves = [];
+ this.state = null;
+ }
+ },
+
+ // delay global selection sync for some time
+ delay: function(ms) {
+ if(NETDATA.options.current.sync_selection === true) {
+ if(NETDATA.options.debug.globalSelectionSync === true)
+ console.log('globalSelectionSync.delay()');
+
+ if(typeof ms === 'number')
+ this.dont_sync_before = Date.now() + ms;
+ else
+ this.dont_sync_before = Date.now() + NETDATA.options.current.sync_selection_delay;
+ }
+ },
+
+ __syncSlaves: function() {
+ if(NETDATA.globalSelectionSync.enabled() === true) {
+ if(NETDATA.options.debug.globalSelectionSync === true)
+ console.log('globalSelectionSync.__syncSlaves()');
+
+ var t = NETDATA.globalSelectionSync.last_t;
+ var len = NETDATA.globalSelectionSync.slaves.length;
+ while (len--)
+ NETDATA.globalSelectionSync.slaves[len].setSelection(t);
+
+ this.timeout_id = undefined;
+ }
+ },
+
+ // sync all the visible charts to the given time
+ // this is to be called from the chart libraries
+ sync: function(state, t) {
+ if(NETDATA.options.current.sync_selection === true) {
+ if(NETDATA.options.debug.globalSelectionSync === true)
+ console.log('globalSelectionSync.sync(' + state.id + ', ' + t.toString() + ')');
+
+ this.setMaster(state);
+
+ if(t === this.last_t)
+ return;
+
+ this.last_t = t;
+
+ if (state.foreign_element_selection !== null)
+ state.foreign_element_selection.innerText = NETDATA.dateTime.localeDateString(t) + ' ' + NETDATA.dateTime.localeTimeString(t);
+
+ if (this.timeout_id)
+ NETDATA.timeout.clear(this.timeout_id);
+
+ this.timeout_id = NETDATA.timeout.set(this.__syncSlaves, 0);
+ }
+ }
+ };
+
+ NETDATA.intersectionObserver = {
+ observer: null,
+ visible_targets: [],
+
+ options: {
+ root: null,
+ rootMargin: "0px",
+ threshold: null
+ },
+
+ enabled: function() {
+ return this.observer !== null;
+ },
+
+ globalReset: function() {
+ if(this.observer !== null) {
+ this.visible_targets = [];
+ this.observer.disconnect();
+ this.init();
+ }
+ },
+
+ targets: function() {
+ if(this.enabled() === true && this.visible_targets.length > 0)
+ return this.visible_targets;
+ else
+ return NETDATA.options.targets;
+ },
+
+ switchChartVisibility: function() {
+ var old = this.__visibilityRatioOld;
+
+ if(old !== this.__visibilityRatio) {
+ if (old === 0 && this.__visibilityRatio > 0)
+ this.unhideChart();
+ else if (old > 0 && this.__visibilityRatio === 0)
+ this.hideChart();
+
+ this.__visibilityRatioOld = this.__visibilityRatio;
+ }
+ },
+
+ handler: function(entries, observer) {
+ entries.forEach(function(entry) {
+ var state = NETDATA.chartState(entry.target);
+
+ var idx;
+ if(entry.intersectionRatio > 0) {
+ idx = NETDATA.intersectionObserver.visible_targets.indexOf(state);
+ if(idx === -1) {
+ if(NETDATA.scrollUp === true)
+ NETDATA.intersectionObserver.visible_targets.push(state);
+ else
+ NETDATA.intersectionObserver.visible_targets.unshift(state);
+ }
+ else if(state.__visibilityRatio === 0)
+ state.log("was not visible until now, but was already in visible_targets");
+ }
+ else {
+ idx = NETDATA.intersectionObserver.visible_targets.indexOf(state);
+ if(idx !== -1)
+ NETDATA.intersectionObserver.visible_targets.splice(idx, 1);
+ else if(state.__visibilityRatio > 0)
+ state.log("was visible, but not found in visible_targets");
+ }
+
+ state.__visibilityRatio = entry.intersectionRatio;
+
+ if(NETDATA.options.current.async_on_scroll === false) {
+ if(window.requestIdleCallback)
+ window.requestIdleCallback(function() {
+ NETDATA.intersectionObserver.switchChartVisibility.call(state);
+ }, {timeout: 100});
+ else
+ NETDATA.intersectionObserver.switchChartVisibility.call(state);
+ }
+ });
+ },
+
+ observe: function(state) {
+ if(this.enabled() === true) {
+ state.__visibilityRatioOld = 0;
+ state.__visibilityRatio = 0;
+ this.observer.observe(state.element);
+
+ state.isVisible = function() {
+ if(NETDATA.options.current.update_only_visible === false)
+ return true;
+
+ NETDATA.intersectionObserver.switchChartVisibility.call(this);
+
+ return this.__visibilityRatio > 0;
+ }
+ }
+ },
+
+ init: function() {
+ if(typeof netdataIntersectionObserver === 'undefined' || netdataIntersectionObserver === true) {
+ try {
+ this.observer = new IntersectionObserver(this.handler, this.options);
+ }
+ catch (e) {
+ console.log("IntersectionObserver is not supported on this browser");
+ this.observer = null;
+ }
+ }
+ //else {
+ // console.log("IntersectionObserver is disabled");
+ //}
+ }
+ };
+ NETDATA.intersectionObserver.init();
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Our state object, where all per-chart values are stored
+
+ var chartState = function(element) {
+ this.element = element;
+
+ // IMPORTANT:
+ // all private functions should use 'that', instead of 'this'
+ var that = this;
+
+ // ============================================================================================================
+ // ERROR HANDLING
+
+ /* error() - private
+ * show an error instead of the chart
+ */
+ var error = function(msg) {
+ var ret = true;
+
+ if(typeof netdataErrorCallback === 'function') {
+ ret = netdataErrorCallback('chart', that.id, msg);
+ }
+
+ if(ret) {
+ that.element.innerHTML = that.id + ': ' + msg;
+ that.enabled = false;
+ that.current = that.pan;
+ }
+ };
+
+ // console logging
+ this.log = function(msg) {
+ console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
+ };
+
+
+ // ============================================================================================================
+ // EARLY INITIALIZATION
+
+ // These are variables that should exist even if the chart is never to be rendered.
+ // Be careful what you add here - there may be thousands of charts on the page.
+
+ // GUID - a unique identifier for the chart
+ this.uuid = NETDATA.guid();
+
+ // string - the name of chart
+ this.id = NETDATA.dataAttribute(this.element, 'netdata', undefined);
+ if(typeof this.id === 'undefined') {
+ error("netdata elements need data-netdata");
+ return;
+ }
+
+ // string - the key for localStorage settings
+ this.settings_id = NETDATA.dataAttribute(this.element, 'id', null);
+
+ // the user given dimensions of the element
+ this.width = NETDATA.dataAttribute(this.element, 'width', NETDATA.chartDefaults.width);
+ this.height = NETDATA.dataAttribute(this.element, 'height', NETDATA.chartDefaults.height);
+ this.height_original = this.height;
+
+ if(this.settings_id !== null) {
+ this.height = NETDATA.localStorageGet('chart_heights.' + this.settings_id, this.height, function(height) {
+ // this is the callback that will be called
+ // if and when the user resets all localStorage variables
+ // to their defaults
+
+ resizeChartToHeight(height);
+ });
+ }
+
+ // the chart library requested by the user
+ this.library_name = NETDATA.dataAttribute(this.element, 'chart-library', NETDATA.chartDefaults.library);
+
+ // check the requested library is available
+ // we don't initialize it here - it will be initialized when
+ // this chart will be first used
+ if(typeof NETDATA.chartLibraries[this.library_name] === 'undefined') {
+ NETDATA.error(402, this.library_name);
+ error('chart library "' + this.library_name + '" is not found');
+ this.enabled = false;
+ }
+ else if(NETDATA.chartLibraries[this.library_name].enabled === false) {
+ NETDATA.error(403, this.library_name);
+ error('chart library "' + this.library_name + '" is not enabled');
+ this.enabled = false;
+ }
+ else
+ this.library = NETDATA.chartLibraries[this.library_name];
+
+ this.auto = {
+ name: 'auto',
+ autorefresh: true,
+ force_update_at: 0, // the timestamp to force the update at
+ force_before_ms: null,
+ force_after_ms: null
+ };
+ this.pan = {
+ name: 'pan',
+ autorefresh: false,
+ force_update_at: 0, // the timestamp to force the update at
+ force_before_ms: null,
+ force_after_ms: null
+ };
+ this.zoom = {
+ name: 'zoom',
+ autorefresh: false,
+ force_update_at: 0, // the timestamp to force the update at
+ force_before_ms: null,
+ force_after_ms: null
+ };
+
+ // this is a pointer to one of the sub-classes below
+ // auto, pan, zoom
+ this.current = this.auto;
+
+ this.running = false; // boolean - true when the chart is being refreshed now
+ this.enabled = true; // boolean - is the chart enabled for refresh?
+
+ this.force_update_every = null; // number - overwrite the visualization update frequency of the chart
+
+ this.tmp = {};
+
+ this.foreign_element_before = null;
+ this.foreign_element_after = null;
+ this.foreign_element_duration = null;
+ this.foreign_element_update_every = null;
+ this.foreign_element_selection = null;
+
+ // ============================================================================================================
+ // PRIVATE FUNCTIONS
+
+ // reset the runtime status variables to their defaults
+ var runtimeInit = function() {
+ that.paused = false; // boolean - is the chart paused for any reason?
+ that.selected = false; // boolean - is the chart shown a selection?
+
+ that.chart_created = false; // boolean - is the library.create() been called?
+ that.dom_created = false; // boolean - is the chart DOM been created?
+ that.fetching_data = false; // boolean - true while we fetch data via ajax
+
+ that.updates_counter = 0; // numeric - the number of refreshes made so far
+ that.updates_since_last_unhide = 0; // numeric - the number of refreshes made since the last time the chart was unhidden
+ that.updates_since_last_creation = 0; // numeric - the number of refreshes made since the last time the chart was created
+
+ that.tm = {
+ last_initialized: 0, // milliseconds - the timestamp it was last initialized
+ last_dom_created: 0, // milliseconds - the timestamp its DOM was last created
+ last_mode_switch: 0, // milliseconds - the timestamp it switched modes
+
+ last_info_downloaded: 0, // milliseconds - the timestamp we downloaded the chart
+ last_updated: 0, // the timestamp the chart last updated with data
+ pan_and_zoom_seq: 0, // the sequence number of the global synchronization
+ // between chart.
+ // Used with NETDATA.globalPanAndZoom.seq
+ last_visible_check: 0, // the time we last checked if it is visible
+ last_resized: 0, // the time the chart was resized
+ last_hidden: 0, // the time the chart was hidden
+ last_unhidden: 0, // the time the chart was unhidden
+ last_autorefreshed: 0 // the time the chart was last refreshed
+ };
+
+ that.data = null; // the last data as downloaded from the netdata server
+ that.data_url = 'invalid://'; // string - the last url used to update the chart
+ that.data_points = 0; // number - the number of points returned from netdata
+ that.data_after = 0; // milliseconds - the first timestamp of the data
+ that.data_before = 0; // milliseconds - the last timestamp of the data
+ that.data_update_every = 0; // milliseconds - the frequency to update the data
+
+ that.tmp = {}; // members that can be destroyed to save memory
+ };
+
+ // initialize all the variables that are required for the chart to be rendered
+ var lateInitialization = function() {
+ if(typeof that.host !== 'undefined')
+ return;
+
+ // string - the netdata server URL, without any path
+ that.host = NETDATA.dataAttribute(that.element, 'host', NETDATA.serverDefault);
+
+ // make sure the host does not end with /
+ // all netdata API requests use absolute paths
+ while(that.host.slice(-1) === '/')
+ that.host = that.host.substring(0, that.host.length - 1);
+
+ // string - the grouping method requested by the user
+ that.method = NETDATA.dataAttribute(that.element, 'method', NETDATA.chartDefaults.method);
+ that.gtime = NETDATA.dataAttribute(that.element, 'gtime', 0);
+
+ // the time-range requested by the user
+ that.after = NETDATA.dataAttribute(that.element, 'after', NETDATA.chartDefaults.after);
+ that.before = NETDATA.dataAttribute(that.element, 'before', NETDATA.chartDefaults.before);
+
+ // the pixels per point requested by the user
+ that.pixels_per_point = NETDATA.dataAttribute(that.element, 'pixels-per-point', 1);
+ that.points = NETDATA.dataAttribute(that.element, 'points', null);
+
+ // the forced update_every
+ that.force_update_every = NETDATA.dataAttribute(that.element, 'update-every', null);
+ if(typeof that.force_update_every !== 'number' || that.force_update_every <= 1) {
+ if(that.force_update_every !== null)
+ that.log('ignoring invalid value of property data-update-every');
+
+ that.force_update_every = null;
+ }
+ else
+ that.force_update_every *= 1000;
+
+ // the dimensions requested by the user
+ that.dimensions = NETDATA.encodeURIComponent(NETDATA.dataAttribute(that.element, 'dimensions', null));
+
+ that.title = NETDATA.dataAttribute(that.element, 'title', null); // the title of the chart
+ that.units = NETDATA.dataAttribute(that.element, 'units', null); // the units of the chart dimensions
+ that.units_desired = NETDATA.dataAttribute(that.element, 'desired-units', NETDATA.options.current.units); // the units of the chart dimensions
+ that.units_current = that.units;
+ that.units_common = NETDATA.dataAttribute(that.element, 'common-units', null);
+
+ // additional options to pass to netdata
+ that.append_options = NETDATA.encodeURIComponent(NETDATA.dataAttribute(that.element, 'append-options', null));
+
+ // override options to pass to netdata
+ that.override_options = NETDATA.encodeURIComponent(NETDATA.dataAttribute(that.element, 'override-options', null));
+
+ that.debug = NETDATA.dataAttributeBoolean(that.element, 'debug', false);
+
+ that.value_decimal_detail = -1;
+ var d = NETDATA.dataAttribute(that.element, 'decimal-digits', -1);
+ if(typeof d === 'number')
+ that.value_decimal_detail = d;
+ else if(typeof d !== 'undefined')
+ that.log('ignoring decimal-digits value: ' + d.toString());
+
+ // if we need to report the rendering speed
+ // find the element that needs to be updated
+ var refresh_dt_element_name = NETDATA.dataAttribute(that.element, 'dt-element-name', null); // string - the element to print refresh_dt_ms
+
+ if(refresh_dt_element_name !== null) {
+ that.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null;
+ }
+ else
+ that.refresh_dt_element = null;
+
+ that.dimensions_visibility = new dimensionsVisibility(that);
+
+ that.netdata_first = 0; // milliseconds - the first timestamp in netdata
+ that.netdata_last = 0; // milliseconds - the last timestamp in netdata
+ that.requested_after = null; // milliseconds - the timestamp of the request after param
+ that.requested_before = null; // milliseconds - the timestamp of the request before param
+ that.requested_padding = null;
+ that.view_after = 0;
+ that.view_before = 0;
+
+ that.refresh_dt_ms = 0; // milliseconds - the time the last refresh took
+
+ // how many retries we have made to load chart data from the server
+ that.retries_on_data_failures = 0;
+
+ // color management
+ that.colors = null;
+ that.colors_assigned = null;
+ that.colors_available = null;
+ that.colors_custom = null;
+
+ that.element_message = null; // the element already created by the user
+ that.element_chart = null; // the element with the chart
+ that.element_legend = null; // the element with the legend of the chart (if created by us)
+ that.element_legend_childs = {
+ content: null,
+ hidden: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ perfect_scroller: null, // the container to apply perfect scroller to
+ series: null
+ };
+
+ that.chart_url = null; // string - the url to download chart info
+ that.chart = null; // object - the chart as downloaded from the server
+
+ function get_foreign_element_by_id(opt) {
+ var id = NETDATA.dataAttribute(that.element, opt, null);
+ if(id === null) {
+ //that.log('option "' + opt + '" is undefined');
+ return null;
+ }
+
+ var el = document.getElementById(id);
+ if(typeof el === 'undefined') {
+ that.log('cannot find an element with name "' + id.toString() + '"');
+ return null;
+ }
+
+ return el;
+ }
+
+ that.foreign_element_before = get_foreign_element_by_id('show-before-at');
+ that.foreign_element_after = get_foreign_element_by_id('show-after-at');
+ that.foreign_element_duration = get_foreign_element_by_id('show-duration-at');
+ that.foreign_element_update_every = get_foreign_element_by_id('show-update-every-at');
+ that.foreign_element_selection = get_foreign_element_by_id('show-selection-at');
+ };
+
+ var destroyDOM = function() {
+ if(that.enabled === false) return;
+
+ if(that.debug === true)
+ that.log('destroyDOM()');
+
+ // that.element.className = 'netdata-message icon';
+ // that.element.innerHTML = '<i class="fas fa-sync"></i> netdata';
+ that.element.innerHTML = '';
+ that.element_message = null;
+ that.element_legend = null;
+ that.element_chart = null;
+ that.element_legend_childs.series = null;
+
+ that.chart_created = false;
+ that.dom_created = false;
+
+ that.tm.last_resized = 0;
+ that.tm.last_dom_created = 0;
+ };
+
+ var createDOM = function() {
+ if(that.enabled === false) return;
+ lateInitialization();
+
+ destroyDOM();
+
+ if(that.debug === true)
+ that.log('createDOM()');
+
+ that.element_message = document.createElement('div');
+ that.element_message.className = 'netdata-message icon hidden';
+ that.element.appendChild(that.element_message);
+
+ that.dom_created = true;
+ that.chart_created = false;
+
+ that.tm.last_dom_created =
+ that.tm.last_resized = Date.now();
+
+ showLoading();
+ };
+
+ var initDOM = function() {
+ that.element.className = that.library.container_class(that);
+
+ if(typeof(that.width) === 'string')
+ that.element.style.width = that.width;
+ else if(typeof(that.width) === 'number')
+ that.element.style.width = that.width.toString() + 'px';
+
+ if(typeof(that.library.aspect_ratio) === 'undefined') {
+ if(typeof(that.height) === 'string')
+ that.element.style.height = that.height;
+ else if(typeof(that.height) === 'number')
+ that.element.style.height = that.height.toString() + 'px';
+ }
+
+ if(NETDATA.chartDefaults.min_width !== null)
+ that.element.style.min_width = NETDATA.chartDefaults.min_width;
+ };
+
+ var invisibleSearchableText = function() {
+ return '<span style="position:absolute; opacity: 0; width: 0px;">' + that.id + '</span>';
+ };
+
+ /* init() private
+ * initialize state variables
+ * destroy all (possibly) created state elements
+ * create the basic DOM for a chart
+ */
+ var init = function(opt) {
+ if(that.enabled === false) return;
+
+ runtimeInit();
+ that.element.innerHTML = invisibleSearchableText();
+
+ that.tm.last_initialized = Date.now();
+ that.setMode('auto');
+
+ if(opt !== 'fast') {
+ if (that.isVisible(true) || opt === 'force')
+ createDOM();
+ }
+ };
+
+ var maxMessageFontSize = function() {
+ var screenHeight = screen.height;
+ var el = that.element;
+
+ // normally we want a font size, as tall as the element
+ var h = el.clientHeight;
+
+ // but give it some air, 20% let's say, or 5 pixels min
+ var lost = Math.max(h * 0.2, 5);
+ h -= lost;
+
+ // center the text, vertically
+ var paddingTop = (lost - 5) / 2;
+
+ // but check the width too
+ // it should fit 10 characters in it
+ var w = el.clientWidth / 10;
+ if(h > w) {
+ paddingTop += (h - w) / 2;
+ h = w;
+ }
+
+ // and don't make it too huge
+ // 5% of the screen size is good
+ if(h > screenHeight / 20) {
+ paddingTop += (h - (screenHeight / 20)) / 2;
+ h = screenHeight / 20;
+ }
+
+ // set it
+ that.element_message.style.fontSize = h.toString() + 'px';
+ that.element_message.style.paddingTop = paddingTop.toString() + 'px';
+ };
+
+ var showMessageIcon = function(icon) {
+ that.element_message.innerHTML = icon;
+ maxMessageFontSize();
+ $(that.element_message).removeClass('hidden');
+ that.tmp.___messageHidden___ = undefined;
+ };
+
+ var hideMessage = function() {
+ if(typeof that.tmp.___messageHidden___ === 'undefined') {
+ that.tmp.___messageHidden___ = true;
+ $(that.element_message).addClass('hidden');
+ }
+ };
+
+ var showRendering = function() {
+ var icon;
+ if(that.chart !== null) {
+ if(that.chart.chart_type === 'line')
+ icon = NETDATA.icons.lineChart;
+ else
+ icon = NETDATA.icons.areaChart;
+ }
+ else
+ icon = NETDATA.icons.noChart;
+
+ showMessageIcon(icon + ' netdata' + invisibleSearchableText());
+ };
+
+ var showLoading = function() {
+ if(that.chart_created === false) {
+ showMessageIcon(NETDATA.icons.loading + ' netdata');
+ return true;
+ }
+ return false;
+ };
+
+ var isHidden = function() {
+ return (typeof that.tmp.___chartIsHidden___ !== 'undefined');
+ };
+
+ // hide the chart, when it is not visible - called from isVisible()
+ this.hideChart = function() {
+ // hide it, if it is not already hidden
+ if(isHidden() === true) return;
+
+ if(this.chart_created === true) {
+ if(NETDATA.options.current.show_help === true) {
+ if(this.element_legend_childs.toolbox !== null) {
+ if(this.debug === true)
+ this.log('hideChart(): hidding legend popovers');
+
+ $(this.element_legend_childs.toolbox_left).popover('hide');
+ $(this.element_legend_childs.toolbox_reset).popover('hide');
+ $(this.element_legend_childs.toolbox_right).popover('hide');
+ $(this.element_legend_childs.toolbox_zoomin).popover('hide');
+ $(this.element_legend_childs.toolbox_zoomout).popover('hide');
+ }
+
+ if(this.element_legend_childs.resize_handler !== null)
+ $(this.element_legend_childs.resize_handler).popover('hide');
+
+ if(this.element_legend_childs.content !== null)
+ $(this.element_legend_childs.content).popover('hide');
+ }
+
+ if(NETDATA.options.current.destroy_on_hide === true) {
+ if(this.debug === true)
+ this.log('hideChart(): initializing chart');
+
+ // we should destroy it
+ init('force');
+ }
+ else {
+ if(this.debug === true)
+ this.log('hideChart(): hiding chart');
+
+ showRendering();
+ this.element_chart.style.display = 'none';
+ this.element.style.willChange = 'auto';
+ if(this.element_legend !== null) this.element_legend.style.display = 'none';
+ if(this.element_legend_childs.toolbox !== null) this.element_legend_childs.toolbox.style.display = 'none';
+ if(this.element_legend_childs.resize_handler !== null) this.element_legend_childs.resize_handler.style.display = 'none';
+
+ this.tm.last_hidden = Date.now();
+
+ // de-allocate data
+ // This works, but I not sure there are no corner cases somewhere
+ // so it is commented - if the user has memory issues he can
+ // set Destroy on Hide for all charts
+ // this.data = null;
+ }
+ }
+
+ this.tmp.___chartIsHidden___ = true;
+ };
+
+ // unhide the chart, when it is visible - called from isVisible()
+ this.unhideChart = function() {
+ if(isHidden() === false) return;
+
+ this.tmp.___chartIsHidden___ = undefined;
+ this.updates_since_last_unhide = 0;
+
+ if(this.chart_created === false) {
+ if(this.debug === true)
+ this.log('unhideChart(): initializing chart');
+
+ // we need to re-initialize it, to show our background
+ // logo in bootstrap tabs, until the chart loads
+ init('force');
+ }
+ else {
+ if(this.debug === true)
+ this.log('unhideChart(): unhiding chart');
+
+ this.element.style.willChange = 'transform';
+ this.tm.last_unhidden = Date.now();
+ this.element_chart.style.display = '';
+ if(this.element_legend !== null) this.element_legend.style.display = '';
+ if(this.element_legend_childs.toolbox !== null) this.element_legend_childs.toolbox.style.display = '';
+ if(this.element_legend_childs.resize_handler !== null) this.element_legend_childs.resize_handler.style.display = '';
+ resizeChart();
+ hideMessage();
+ }
+
+ if(this.__redraw_on_unhide === true) {
+
+ if(this.debug === true)
+ this.log("redrawing chart on unhide");
+
+ this.__redraw_on_unhide = undefined;
+ this.redrawChart();
+ }
+ };
+
+ var canBeRendered = function(uncached_visibility) {
+ if(that.debug === true)
+ that.log('canBeRendered() called');
+
+ if(NETDATA.options.current.update_only_visible === false)
+ return true;
+
+ var ret = (
+ (
+ NETDATA.options.page_is_visible === true ||
+ NETDATA.options.current.stop_updates_when_focus_is_lost === false ||
+ that.updates_since_last_unhide === 0
+ )
+ && isHidden() === false && that.isVisible(uncached_visibility) === true
+ );
+
+ if(that.debug === true)
+ that.log('canBeRendered(): ' + ret);
+
+ return ret;
+ };
+
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryUpdateSafely = function(data) {
+ var status;
+
+ // we should not do this here
+ // if we prevent rendering the chart then:
+ // 1. globalSelectionSync will be wrong
+ // 2. globalPanAndZoom will be wrong
+ //if(canBeRendered(true) === false)
+ // return false;
+
+ if(NETDATA.options.fake_chart_rendering === true)
+ return true;
+
+ that.updates_counter++;
+ that.updates_since_last_unhide++;
+ that.updates_since_last_creation++;
+
+ if(NETDATA.options.debug.chart_errors === true)
+ status = that.library.update(that, data);
+ else {
+ try {
+ status = that.library.update(that, data);
+ }
+ catch(err) {
+ status = false;
+ }
+ }
+
+ if(status === false) {
+ error('chart failed to be updated as ' + that.library_name);
+ return false;
+ }
+
+ return true;
+ };
+
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryCreateSafely = function(data) {
+ var status;
+
+ // we should not do this here
+ // if we prevent rendering the chart then:
+ // 1. globalSelectionSync will be wrong
+ // 2. globalPanAndZoom will be wrong
+ //if(canBeRendered(true) === false)
+ // return false;
+
+ if(NETDATA.options.fake_chart_rendering === true)
+ return true;
+
+ that.updates_counter++;
+ that.updates_since_last_unhide++;
+ that.updates_since_last_creation++;
+
+ if(NETDATA.options.debug.chart_errors === true)
+ status = that.library.create(that, data);
+ else {
+ try {
+ status = that.library.create(that, data);
+ }
+ catch(err) {
+ status = false;
+ }
+ }
+
+ if(status === false) {
+ error('chart failed to be created as ' + that.library_name);
+ return false;
+ }
+
+ that.chart_created = true;
+ that.updates_since_last_creation = 0;
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Chart Resize
+
+ // resizeChart() - private
+ // to be called just before the chart library to make sure that
+ // a properly sized dom is available
+ var resizeChart = function() {
+ if(that.tm.last_resized < NETDATA.options.last_page_resize) {
+ if(that.chart_created === false) return;
+
+ if(that.needsRecreation()) {
+ if(that.debug === true)
+ that.log('resizeChart(): initializing chart');
+
+ init('force');
+ }
+ else if(typeof that.library.resize === 'function') {
+ if(that.debug === true)
+ that.log('resizeChart(): resizing chart');
+
+ that.library.resize(that);
+
+ if(that.element_legend_childs.perfect_scroller !== null)
+ Ps.update(that.element_legend_childs.perfect_scroller);
+
+ maxMessageFontSize();
+ }
+
+ that.tm.last_resized = Date.now();
+ }
+ };
+
+ // this is the actual chart resize algorithm
+ // it will:
+ // - resize the entire container
+ // - update the internal states
+ // - resize the chart as the div changes height
+ // - update the scrollbar of the legend
+ var resizeChartToHeight = function(h) {
+ // console.log(h);
+ that.element.style.height = h;
+
+ if(that.settings_id !== null)
+ NETDATA.localStorageSet('chart_heights.' + that.settings_id, h);
+
+ var now = Date.now();
+ NETDATA.options.last_page_scroll = now;
+ NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.stop_updates_while_resizing;
+
+ // force a resize
+ that.tm.last_resized = 0;
+ resizeChart();
+ };
+
+ this.resizeForPrint = function() {
+ if(typeof this.element_legend_childs !== 'undefined' && this.element_legend_childs.perfect_scroller !== null) {
+ var current = this.element.clientHeight;
+ var optimal = current
+ + this.element_legend_childs.perfect_scroller.scrollHeight
+ - this.element_legend_childs.perfect_scroller.clientHeight;
+
+ if(optimal > current) {
+ // this.log('resized');
+ this.element.style.height = optimal + 'px';
+ this.library.resize(this);
+ }
+ }
+ };
+
+ this.resizeHandler = function(e) {
+ e.preventDefault();
+
+ if(typeof this.event_resize === 'undefined'
+ || this.event_resize.chart_original_w === 'undefined'
+ || this.event_resize.chart_original_h === 'undefined')
+ this.event_resize = {
+ chart_original_w: this.element.clientWidth,
+ chart_original_h: this.element.clientHeight,
+ last: 0
+ };
+
+ if(e.type === 'touchstart') {
+ this.event_resize.mouse_start_x = e.touches.item(0).pageX;
+ this.event_resize.mouse_start_y = e.touches.item(0).pageY;
+ }
+ else {
+ this.event_resize.mouse_start_x = e.clientX;
+ this.event_resize.mouse_start_y = e.clientY;
+ }
+
+ this.event_resize.chart_start_w = this.element.clientWidth;
+ this.event_resize.chart_start_h = this.element.clientHeight;
+ this.event_resize.chart_last_w = this.element.clientWidth;
+ this.event_resize.chart_last_h = this.element.clientHeight;
+
+ var now = Date.now();
+ if(now - this.event_resize.last <= NETDATA.options.current.double_click_speed && this.element_legend_childs.perfect_scroller !== null) {
+ // double click / double tap event
+
+ // console.dir(this.element_legend_childs.content);
+ // console.dir(this.element_legend_childs.perfect_scroller);
+
+ // the optimal height of the chart
+ // showing the entire legend
+ var optimal = this.event_resize.chart_last_h
+ + this.element_legend_childs.perfect_scroller.scrollHeight
+ - this.element_legend_childs.perfect_scroller.clientHeight;
+
+ // if we are not optimal, be optimal
+ if(this.event_resize.chart_last_h !== optimal) {
+ // this.log('resize to optimal, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString());
+ resizeChartToHeight(optimal.toString() + 'px');
+ }
+
+ // else if the current height is not the original/saved height
+ // reset to the original/saved height
+ else if(this.event_resize.chart_last_h !== this.event_resize.chart_original_h) {
+ // this.log('resize to original, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString());
+ resizeChartToHeight(this.event_resize.chart_original_h.toString() + 'px');
+ }
+
+ // else if the current height is not the internal default height
+ // reset to the internal default height
+ else if((this.event_resize.chart_last_h.toString() + 'px') !== this.height_original) {
+ // this.log('resize to internal default, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString());
+ resizeChartToHeight(this.height_original.toString());
+ }
+
+ // else if the current height is not the firstchild's clientheight
+ // resize to it
+ else if(typeof this.element_legend_childs.perfect_scroller.firstChild !== 'undefined') {
+ var parent_rect = this.element.getBoundingClientRect();
+ var content_rect = this.element_legend_childs.perfect_scroller.firstElementChild.getBoundingClientRect();
+ var wanted = content_rect.top - parent_rect.top + this.element_legend_childs.perfect_scroller.firstChild.clientHeight + 18; // 15 = toolbox + 3 space
+
+ // console.log(parent_rect);
+ // console.log(content_rect);
+ // console.log(wanted);
+
+ // this.log('resize to firstChild, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString() + 'px, firstChild = ' + wanted.toString() + 'px' );
+ if(this.event_resize.chart_last_h !== wanted)
+ resizeChartToHeight(wanted.toString() + 'px');
+ }
+ }
+ else {
+ this.event_resize.last = now;
+
+ // process movement event
+ document.onmousemove =
+ document.ontouchmove =
+ this.element_legend_childs.resize_handler.onmousemove =
+ this.element_legend_childs.resize_handler.ontouchmove =
+ function(e) {
+ var y = null;
+
+ switch(e.type) {
+ case 'mousemove': y = e.clientY; break;
+ case 'touchmove': y = e.touches.item(e.touches - 1).pageY; break;
+ }
+
+ if(y !== null) {
+ var newH = that.event_resize.chart_start_h + y - that.event_resize.mouse_start_y;
+
+ if(newH >= 70 && newH !== that.event_resize.chart_last_h) {
+ resizeChartToHeight(newH.toString() + 'px');
+ that.event_resize.chart_last_h = newH;
+ }
+ }
+ };
+
+ // process end event
+ document.onmouseup =
+ document.ontouchend =
+ this.element_legend_childs.resize_handler.onmouseup =
+ this.element_legend_childs.resize_handler.ontouchend =
+ function(e) {
+ void(e);
+
+ // remove all the hooks
+ document.onmouseup =
+ document.onmousemove =
+ document.ontouchmove =
+ document.ontouchend =
+ that.element_legend_childs.resize_handler.onmousemove =
+ that.element_legend_childs.resize_handler.ontouchmove =
+ that.element_legend_childs.resize_handler.onmouseout =
+ that.element_legend_childs.resize_handler.onmouseup =
+ that.element_legend_childs.resize_handler.ontouchend =
+ null;
+
+ // allow auto-refreshes
+ NETDATA.options.auto_refresher_stop_until = 0;
+ };
+ }
+ };
+
+
+ var noDataToShow = function() {
+ showMessageIcon(NETDATA.icons.noData + ' empty');
+ that.legendUpdateDOM();
+ that.tm.last_autorefreshed = Date.now();
+ // that.data_update_every = 30 * 1000;
+ //that.element_chart.style.display = 'none';
+ //if(that.element_legend !== null) that.element_legend.style.display = 'none';
+ //that.tmp.___chartIsHidden___ = true;
+ };
+
+ // ============================================================================================================
+ // PUBLIC FUNCTIONS
+
+ this.error = function(msg) {
+ error(msg);
+ };
+
+ this.setMode = function(m) {
+ if(this.current !== null && this.current.name === m) return;
+
+ if(m === 'auto')
+ this.current = this.auto;
+ else if(m === 'pan')
+ this.current = this.pan;
+ else if(m === 'zoom')
+ this.current = this.zoom;
+ else
+ this.current = this.auto;
+
+ this.current.force_update_at = 0;
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+
+ this.tm.last_mode_switch = Date.now();
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync for slaves
+
+ // can the chart participate to the global selection sync as a slave?
+ this.globalSelectionSyncIsEligible = function() {
+ return (this.enabled === true
+ && this.library !== null
+ && typeof this.library.setSelection === 'function'
+ && this.isVisible() === true
+ && this.chart_created === true);
+ };
+
+ this.setSelection = function(t) {
+ if(typeof this.library.setSelection === 'function')
+ this.selected = (this.library.setSelection(this, t) === true);
+ else
+ this.selected = true;
+
+ if(this.selected === true && this.debug === true)
+ this.log('selection set to ' + t.toString());
+
+ if (this.foreign_element_selection !== null)
+ this.foreign_element_selection.innerText = NETDATA.dateTime.localeDateString(t) + ' ' + NETDATA.dateTime.localeTimeString(t);
+
+ return this.selected;
+ };
+
+ this.clearSelection = function() {
+ if(this.selected === true) {
+ if(typeof this.library.clearSelection === 'function')
+ this.selected = (this.library.clearSelection(this) !== true);
+ else
+ this.selected = false;
+
+ if(this.selected === false && this.debug === true)
+ this.log('selection cleared');
+
+ if (this.foreign_element_selection !== null)
+ this.foreign_element_selection.innerText = '';
+
+ this.legendReset();
+ }
+
+ return this.selected;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ // find if a timestamp (ms) is shown in the current chart
+ this.timeIsVisible = function(t) {
+ return (t >= this.data_after && t <= this.data_before);
+ };
+
+ this.calculateRowForTime = function(t) {
+ if(this.timeIsVisible(t) === false) return -1;
+ return Math.floor((t - this.data_after) / this.data_update_every);
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ this.pauseChart = function() {
+ if(this.paused === false) {
+ if(this.debug === true)
+ this.log('pauseChart()');
+
+ this.paused = true;
+ }
+ };
+
+ this.unpauseChart = function() {
+ if(this.paused === true) {
+ if(this.debug === true)
+ this.log('unpauseChart()');
+
+ this.paused = false;
+ }
+ };
+
+ this.resetChart = function(dont_clear_master, dont_update) {
+ if(this.debug === true)
+ this.log('resetChart(' + dont_clear_master + ', ' + dont_update + ') called');
+
+ if(typeof dont_clear_master === 'undefined')
+ dont_clear_master = false;
+
+ if(typeof dont_update === 'undefined')
+ dont_update = false;
+
+ if(dont_clear_master !== true && NETDATA.globalPanAndZoom.isMaster(this) === true) {
+ if(this.debug === true)
+ this.log('resetChart() diverting to clearMaster().');
+ // this will call us back with master === true
+ NETDATA.globalPanAndZoom.clearMaster();
+ return;
+ }
+
+ this.clearSelection();
+
+ this.tm.pan_and_zoom_seq = 0;
+
+ this.setMode('auto');
+ this.current.force_update_at = 0;
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+ this.tm.last_autorefreshed = 0;
+ this.paused = false;
+ this.selected = false;
+ this.enabled = true;
+ // this.debug = false;
+
+ // do not update the chart here
+ // or the chart will flip-flop when it is the master
+ // of a selection sync and another chart becomes
+ // the new master
+
+ if(dont_update !== true && this.isVisible() === true) {
+ this.updateChart();
+ }
+ };
+
+ this.updateChartPanOrZoom = function(after, before, callback) {
+ var logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): ';
+ var ret = true;
+
+ NETDATA.globalPanAndZoom.delay();
+ NETDATA.globalSelectionSync.delay();
+
+ if(this.debug === true)
+ this.log(logme);
+
+ if(before < after) {
+ if(this.debug === true)
+ this.log(logme + 'flipped parameters, rejecting it.');
+
+ return false;
+ }
+
+ if(typeof this.fixed_min_duration === 'undefined')
+ this.fixed_min_duration = Math.round((this.chartWidth() / 30) * this.chart.update_every * 1000);
+
+ var min_duration = this.fixed_min_duration;
+ var current_duration = Math.round(this.view_before - this.view_after);
+
+ // round the numbers
+ after = Math.round(after);
+ before = Math.round(before);
+
+ // align them to update_every
+ // stretching them further away
+ after -= after % this.data_update_every;
+ before += this.data_update_every - (before % this.data_update_every);
+
+ // the final wanted duration
+ var wanted_duration = before - after;
+
+ // to allow panning, accept just a point below our minimum
+ if((current_duration - this.data_update_every) < min_duration)
+ min_duration = current_duration - this.data_update_every;
+
+ // we do it, but we adjust to minimum size and return false
+ // when the wanted size is below the current and the minimum
+ // and we zoom
+ if(wanted_duration < current_duration && wanted_duration < min_duration) {
+ if(this.debug === true)
+ this.log(logme + 'too small: min_duration: ' + (min_duration / 1000).toString() + ', wanted: ' + (wanted_duration / 1000).toString());
+
+ min_duration = this.fixed_min_duration;
+
+ var dt = (min_duration - wanted_duration) / 2;
+ before += dt;
+ after -= dt;
+ wanted_duration = before - after;
+ ret = false;
+ }
+
+ var tolerance = this.data_update_every * 2;
+ var movement = Math.abs(before - this.view_before);
+
+ if(Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance && ret === true) {
+ if(this.debug === true)
+ this.log(logme + 'REJECTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + false);
+ return false;
+ }
+
+ if(this.current.name === 'auto') {
+ this.log(logme + 'caller called me with mode: ' + this.current.name);
+ this.setMode('pan');
+ }
+
+ if(this.debug === true)
+ this.log(logme + 'ACCEPTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + ret);
+
+ this.current.force_update_at = Date.now() + NETDATA.options.current.pan_and_zoom_delay;
+ this.current.force_after_ms = after;
+ this.current.force_before_ms = before;
+ NETDATA.globalPanAndZoom.setMaster(this, after, before);
+
+ if(ret === true && typeof callback === 'function')
+ callback();
+
+ return ret;
+ };
+
+ this.updateChartPanOrZoomAsyncTimeOutId = undefined;
+ this.updateChartPanOrZoomAsync = function(after, before, callback) {
+ NETDATA.globalPanAndZoom.delay();
+ NETDATA.globalSelectionSync.delay();
+
+ if(NETDATA.globalPanAndZoom.isMaster(this) === false) {
+ this.pauseChart();
+ NETDATA.globalPanAndZoom.setMaster(this, after, before);
+ // NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.setMaster(this);
+ }
+
+ if(this.updateChartPanOrZoomAsyncTimeOutId)
+ NETDATA.timeout.clear(this.updateChartPanOrZoomAsyncTimeOutId);
+
+ NETDATA.timeout.set(function() {
+ that.updateChartPanOrZoomAsyncTimeOutId = undefined;
+ that.updateChartPanOrZoom(after, before, callback);
+ }, 0);
+ };
+
+ var __unitsConversionLastUnits = undefined;
+ var __unitsConversionLastUnitsDesired = undefined;
+ var __unitsConversionLastMin = undefined;
+ var __unitsConversionLastMax = undefined;
+ var __unitsConversion = function(value) { return value; };
+ this.unitsConversionSetup = function(min, max) {
+ if(this.units !== __unitsConversionLastUnits
+ || this.units_desired !== __unitsConversionLastUnitsDesired
+ || min !== __unitsConversionLastMin
+ || max !== __unitsConversionLastMax) {
+
+ __unitsConversionLastUnits = this.units;
+ __unitsConversionLastUnitsDesired = this.units_desired;
+ __unitsConversionLastMin = min;
+ __unitsConversionLastMax = max;
+
+ __unitsConversion = NETDATA.unitsConversion.get(this.uuid, min, max, this.units, this.units_desired, this.units_common, function (units) {
+ // console.log('switching units from ' + that.units.toString() + ' to ' + units.toString());
+ that.units_current = units;
+ that.legendSetUnitsString(that.units_current);
+ });
+ }
+ };
+
+ var __legendFormatValueChartDecimalsLastMin = undefined;
+ var __legendFormatValueChartDecimalsLastMax = undefined;
+ var __legendFormatValueChartDecimals = -1;
+ var __intlNumberFormat = null;
+ this.legendFormatValueDecimalsFromMinMax = function(min, max) {
+ if(min === __legendFormatValueChartDecimalsLastMin && max === __legendFormatValueChartDecimalsLastMax)
+ return;
+
+ this.unitsConversionSetup(min, max);
+ if(__unitsConversion !== null) {
+ min = __unitsConversion(min);
+ max = __unitsConversion(max);
+
+ if(typeof min !== 'number' || typeof max !== 'number')
+ return;
+ }
+
+ __legendFormatValueChartDecimalsLastMin = min;
+ __legendFormatValueChartDecimalsLastMax = max;
+
+ var old = __legendFormatValueChartDecimals;
+
+ if(this.data !== null && this.data.min === this.data.max)
+ // it is a fixed number, let the visualizer decide based on the value
+ __legendFormatValueChartDecimals = -1;
+
+ else if(this.value_decimal_detail !== -1)
+ // there is an override
+ __legendFormatValueChartDecimals = this.value_decimal_detail;
+
+ else {
+ // ok, let's calculate the proper number of decimal points
+ var delta;
+
+ if (min === max)
+ delta = Math.abs(min);
+ else
+ delta = Math.abs(max - min);
+
+ if (delta > 1000) __legendFormatValueChartDecimals = 0;
+ else if (delta > 10) __legendFormatValueChartDecimals = 1;
+ else if (delta > 1) __legendFormatValueChartDecimals = 2;
+ else if (delta > 0.1) __legendFormatValueChartDecimals = 2;
+ else if (delta > 0.01) __legendFormatValueChartDecimals = 4;
+ else if (delta > 0.001) __legendFormatValueChartDecimals = 5;
+ else if (delta > 0.0001) __legendFormatValueChartDecimals = 6;
+ else __legendFormatValueChartDecimals = 7;
+ }
+
+ if(__legendFormatValueChartDecimals !== old) {
+ if(__legendFormatValueChartDecimals < 0)
+ __intlNumberFormat = null;
+ else
+ __intlNumberFormat = NETDATA.fastNumberFormat.get(
+ __legendFormatValueChartDecimals,
+ __legendFormatValueChartDecimals
+ );
+ }
+ };
+
+ this.legendFormatValue = function(value) {
+ if(typeof value !== 'number')
+ return '-';
+
+ value = __unitsConversion(value);
+
+ if(typeof value !== 'number')
+ return value;
+
+ if(__intlNumberFormat !== null)
+ return __intlNumberFormat.format(value);
+
+ var dmin, dmax;
+ if(this.value_decimal_detail !== -1) {
+ dmin = dmax = this.value_decimal_detail;
+ }
+ else {
+ dmin = 0;
+ var abs = (value < 0) ? -value : value;
+ if (abs > 1000) dmax = 0;
+ else if (abs > 10) dmax = 1;
+ else if (abs > 1) dmax = 2;
+ else if (abs > 0.1) dmax = 2;
+ else if (abs > 0.01) dmax = 4;
+ else if (abs > 0.001) dmax = 5;
+ else if (abs > 0.0001) dmax = 6;
+ else dmax = 7;
+ }
+
+ return NETDATA.fastNumberFormat.get(dmin, dmax).format(value);
+ };
+
+ this.legendSetLabelValue = function(label, value) {
+ var series = this.element_legend_childs.series[label];
+ if(typeof series === 'undefined') return;
+ if(series.value === null && series.user === null) return;
+
+ /*
+ // this slows down firefox and edge significantly
+ // since it requires to use innerHTML(), instead of innerText()
+
+ // if the value has not changed, skip DOM update
+ //if(series.last === value) return;
+
+ var s, r;
+ if(typeof value === 'number') {
+ var v = Math.abs(value);
+ s = r = this.legendFormatValue(value);
+
+ if(typeof series.last === 'number') {
+ if(v > series.last) s += '<i class="fas fa-angle-up" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else if(v < series.last) s += '<i class="fas fa-angle-down" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else s += '<i class="fas fa-angle-left" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ }
+ else s += '<i class="fas fa-angle-right" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+
+ series.last = v;
+ }
+ else {
+ if(value === null)
+ s = r = '';
+ else
+ s = r = value;
+
+ series.last = value;
+ }
+ */
+
+ var s = this.legendFormatValue(value);
+
+ // caching: do not update the update to show the same value again
+ if(s === series.last_shown_value) return;
+ series.last_shown_value = s;
+
+ if(series.value !== null) series.value.innerText = s;
+ if(series.user !== null) series.user.innerText = s;
+ };
+
+ this.legendSetDateString = function(date) {
+ if(this.element_legend_childs.title_date !== null && date !== this.tmp.__last_shown_legend_date) {
+ this.element_legend_childs.title_date.innerText = date;
+ this.tmp.__last_shown_legend_date = date;
+ }
+ };
+
+ this.legendSetTimeString = function(time) {
+ if(this.element_legend_childs.title_time !== null && time !== this.tmp.__last_shown_legend_time) {
+ this.element_legend_childs.title_time.innerText = time;
+ this.tmp.__last_shown_legend_time = time;
+ }
+ };
+
+ this.legendSetUnitsString = function(units) {
+ if(this.element_legend_childs.title_units !== null && units !== this.tmp.__last_shown_legend_units) {
+ this.element_legend_childs.title_units.innerText = units;
+ this.tmp.__last_shown_legend_units = units;
+ }
+ };
+
+ this.legendSetDateLast = {
+ ms: 0,
+ date: undefined,
+ time: undefined
+ };
+
+ this.legendSetDate = function(ms) {
+ if(typeof ms !== 'number') {
+ this.legendShowUndefined();
+ return;
+ }
+
+ if(this.legendSetDateLast.ms !== ms) {
+ var d = new Date(ms);
+ this.legendSetDateLast.ms = ms;
+ this.legendSetDateLast.date = NETDATA.dateTime.localeDateString(d);
+ this.legendSetDateLast.time = NETDATA.dateTime.localeTimeString(d);
+ }
+
+ this.legendSetDateString(this.legendSetDateLast.date);
+ this.legendSetTimeString(this.legendSetDateLast.time);
+ this.legendSetUnitsString(this.units_current)
+ };
+
+ this.legendShowUndefined = function() {
+ this.legendSetDateString(this.legendPluginModuleString(false));
+ this.legendSetTimeString(this.chart.context.toString());
+ // this.legendSetUnitsString(' ');
+
+ if(this.data && this.element_legend_childs.series !== null) {
+ var labels = this.data.dimension_names;
+ var i = labels.length;
+ while(i--) {
+ var label = labels[i];
+
+ if(typeof label === 'undefined' || typeof this.element_legend_childs.series[label] === 'undefined') continue;
+ this.legendSetLabelValue(label, null);
+ }
+ }
+ };
+
+ this.legendShowLatestValues = function() {
+ if(this.chart === null) return;
+ if(this.selected) return;
+
+ if(this.data === null || this.element_legend_childs.series === null) {
+ this.legendShowUndefined();
+ return;
+ }
+
+ var show_undefined = true;
+ if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every)
+ show_undefined = false;
+
+ if(show_undefined) {
+ this.legendShowUndefined();
+ return;
+ }
+
+ this.legendSetDate(this.view_before);
+
+ var labels = this.data.dimension_names;
+ var i = labels.length;
+ while(i--) {
+ var label = labels[i];
+
+ if(typeof label === 'undefined') continue;
+ if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
+
+ this.legendSetLabelValue(label, this.data.view_latest_values[i]);
+ }
+ };
+
+ this.legendReset = function() {
+ this.legendShowLatestValues();
+ };
+
+ // this should be called just ONCE per dimension per chart
+ this.__chartDimensionColor = function(label) {
+ var c = NETDATA.commonColors.get(this, label);
+
+ // it is important to maintain a list of colors
+ // for this chart only, since the chart library
+ // uses this to assign colors to dimensions in the same
+ // order the dimension are given to it
+ this.colors.push(c);
+
+ return c;
+ };
+
+ this.chartPrepareColorPalette = function() {
+ NETDATA.commonColors.refill(this);
+ };
+
+ // get the ordered list of chart colors
+ // this includes user defined colors
+ this.chartCustomColors = function() {
+ this.chartPrepareColorPalette();
+
+ var colors;
+ if(this.colors_custom.length)
+ colors = this.colors_custom;
+ else
+ colors = this.colors;
+
+ if(this.debug === true) {
+ this.log("chartCustomColors() returns:");
+ this.log(colors);
+ }
+
+ return colors;
+ };
+
+ // get the ordered list of chart ASSIGNED colors
+ // (this returns only the colors that have been
+ // assigned to dimensions, prepended with any
+ // custom colors defined)
+ this.chartColors = function() {
+ this.chartPrepareColorPalette();
+
+ if(this.debug === true) {
+ this.log("chartColors() returns:");
+ this.log(this.colors);
+ }
+
+ return this.colors;
+ };
+
+ this.legendPluginModuleString = function(withContext) {
+ var str = ' ';
+ var context = '';
+
+ if(typeof this.chart !== 'undefined') {
+ if(withContext && typeof this.chart.context === 'string')
+ context = this.chart.context;
+
+ if (typeof this.chart.plugin === 'string' && this.chart.plugin !== '') {
+ str = this.chart.plugin;
+
+ if(str.endsWith(".plugin"))
+ str = str.substring(0, str.length - 7);
+
+ if (typeof this.chart.module === 'string' && this.chart.module !== '')
+ str += ':' + this.chart.module;
+
+ if (withContext && context !== '')
+ str += ', ' + context;
+ }
+ else if (withContext && context !== '')
+ str = context;
+ }
+
+ return str;
+ };
+
+ this.legendResolutionTooltip = function () {
+ if(!this.chart) return '';
+
+ var collected = this.chart.update_every;
+ var viewed = (this.data)?this.data.view_update_every:collected;
+
+ if(collected === viewed)
+ return "resolution " + NETDATA.seconds4human(collected);
+
+ return "resolution " + NETDATA.seconds4human(viewed) + ", collected every " + NETDATA.seconds4human(collected);
+ };
+
+ this.legendUpdateDOM = function() {
+ var needed = false, dim, keys, len, i;
+
+ // check that the legend DOM is up to date for the downloaded dimensions
+ if(typeof this.element_legend_childs.series !== 'object' || this.element_legend_childs.series === null) {
+ // this.log('the legend does not have any series - requesting legend update');
+ needed = true;
+ }
+ else if(this.data === null) {
+ // this.log('the chart does not have any data - requesting legend update');
+ needed = true;
+ }
+ else if(typeof this.element_legend_childs.series.labels_key === 'undefined') {
+ needed = true;
+ }
+ else {
+ var labels = this.data.dimension_names.toString();
+ if(labels !== this.element_legend_childs.series.labels_key) {
+ needed = true;
+
+ if(this.debug === true)
+ this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"');
+ }
+ }
+
+ if(needed === false) {
+ // make sure colors available
+ this.chartPrepareColorPalette();
+
+ // do we have to update the current values?
+ // we do this, only when the visible chart is current
+ if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every) {
+ if(this.debug === true)
+ this.log('chart is in latest position... updating values on legend...');
+
+ //var labels = this.data.dimension_names;
+ //var i = labels.length;
+ //while(i--)
+ // this.legendSetLabelValue(labels[i], this.data.view_latest_values[i]);
+ }
+ return;
+ }
+
+ if(this.colors === null) {
+ // this is the first time we update the chart
+ // let's assign colors to all dimensions
+ if(this.library.track_colors() === true) {
+ this.colors = [];
+ keys = Object.keys(this.chart.dimensions);
+ len = keys.length;
+ for(i = 0; i < len ;i++)
+ NETDATA.commonColors.get(this, this.chart.dimensions[keys[i]].name);
+ }
+ }
+
+ // we will re-generate the colors for the chart
+ // based on the dimensions this result has data for
+ this.colors = [];
+
+ if(this.debug === true)
+ this.log('updating Legend DOM');
+
+ // mark all dimensions as invalid
+ this.dimensions_visibility.invalidateAll();
+
+ var genLabel = function(state, parent, dim, name, count) {
+ var color = state.__chartDimensionColor(name);
+
+ var user_element = null;
+ var user_id = NETDATA.dataAttribute(state.element, 'show-value-of-' + name.toLowerCase() + '-at', null);
+ if(user_id === null)
+ user_id = NETDATA.dataAttribute(state.element, 'show-value-of-' + dim.toLowerCase() + '-at', null);
+ if(user_id !== null) {
+ user_element = document.getElementById(user_id) || null;
+ if (user_element === null)
+ state.log('Cannot find element with id: ' + user_id);
+ }
+
+ state.element_legend_childs.series[name] = {
+ name: document.createElement('span'),
+ value: document.createElement('span'),
+ user: user_element,
+ last: null,
+ last_shown_value: null
+ };
+
+ var label = state.element_legend_childs.series[name];
+
+ // create the dimension visibility tracking for this label
+ state.dimensions_visibility.dimensionAdd(name, label.name, label.value, color);
+
+ var rgb = NETDATA.colorHex2Rgb(color);
+ label.name.innerHTML = '<table class="netdata-legend-name-table-'
+ + state.chart.chart_type
+ + '" style="background-color: '
+ + 'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + NETDATA.options.current['color_fill_opacity_' + state.chart.chart_type] + ') !important'
+ + '"><tr class="netdata-legend-name-tr"><td class="netdata-legend-name-td"></td></tr></table>';
+
+ var text = document.createTextNode(' ' + name);
+ label.name.appendChild(text);
+
+ if(count > 0)
+ parent.appendChild(document.createElement('br'));
+
+ parent.appendChild(label.name);
+ parent.appendChild(label.value);
+ };
+
+ var content = document.createElement('div');
+
+ if(this.element_chart === null) {
+ this.element_chart = document.createElement('div');
+ this.element_chart.id = this.library_name + '-' + this.uuid + '-chart';
+ this.element.appendChild(this.element_chart);
+
+ if(this.hasLegend() === true)
+ this.element_chart.className = 'netdata-chart-with-legend-right netdata-' + this.library_name + '-chart-with-legend-right';
+ else
+ this.element_chart.className = ' netdata-chart netdata-' + this.library_name + '-chart';
+ }
+
+ if(this.hasLegend() === true) {
+ if(this.element_legend === null) {
+ this.element_legend = document.createElement('div');
+ this.element_legend.className = 'netdata-chart-legend netdata-' + this.library_name + '-legend';
+ this.element.appendChild(this.element_legend);
+ }
+ else
+ this.element_legend.innerHTML = '';
+
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: null,
+ toolbox: null,
+ toolbox_left: null,
+ toolbox_right: null,
+ toolbox_reset: null,
+ toolbox_zoomin: null,
+ toolbox_zoomout: null,
+ toolbox_volume: null,
+ title_date: document.createElement('span'),
+ title_time: document.createElement('span'),
+ title_units: document.createElement('span'),
+ perfect_scroller: document.createElement('div'),
+ series: {}
+ };
+
+ if(NETDATA.options.current.legend_toolbox === true && this.library.toolboxPanAndZoom !== null) {
+ this.element_legend_childs.toolbox = document.createElement('div');
+ this.element_legend_childs.toolbox_left = document.createElement('div');
+ this.element_legend_childs.toolbox_right = document.createElement('div');
+ this.element_legend_childs.toolbox_reset = document.createElement('div');
+ this.element_legend_childs.toolbox_zoomin = document.createElement('div');
+ this.element_legend_childs.toolbox_zoomout = document.createElement('div');
+ this.element_legend_childs.toolbox_volume = document.createElement('div');
+
+ var get_pan_and_zoom_step = function(event) {
+ if (event.ctrlKey)
+ return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_control;
+
+ else if (event.shiftKey)
+ return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_shift;
+
+ else if (event.altKey)
+ return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_alt;
+
+ else
+ return NETDATA.options.current.pan_and_zoom_factor;
+ };
+
+ this.element_legend_childs.toolbox.className += ' netdata-legend-toolbox';
+ this.element.appendChild(this.element_legend_childs.toolbox);
+
+ this.element_legend_childs.toolbox_left.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_left.innerHTML = NETDATA.icons.left;
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_left);
+ this.element_legend_childs.toolbox_left.onclick = function(e) {
+ e.preventDefault();
+
+ var step = (that.view_before - that.view_after) * get_pan_and_zoom_step(e);
+ var before = that.view_before - step;
+ var after = that.view_after - step;
+ if(after >= that.netdata_first)
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_left).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Pan Left',
+ content: 'Pan the chart to the left. You can also <b>drag it</b> with your mouse or your finger (on touch devices).<br/><small>Help can be disabled from the settings.</small>'
+ });
+
+
+ this.element_legend_childs.toolbox_reset.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_reset.innerHTML = NETDATA.icons.reset;
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_reset);
+ this.element_legend_childs.toolbox_reset.onclick = function(e) {
+ e.preventDefault();
+ NETDATA.resetAllCharts(that);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_reset).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Chart Reset',
+ content: 'Reset all the charts to their default auto-refreshing state. You can also <b>double click</b> the chart contents with your mouse or your finger (on touch devices).<br/><small>Help can be disabled from the settings.</small>'
+ });
+
+ this.element_legend_childs.toolbox_right.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_right.innerHTML = NETDATA.icons.right;
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_right);
+ this.element_legend_childs.toolbox_right.onclick = function(e) {
+ e.preventDefault();
+ var step = (that.view_before - that.view_after) * get_pan_and_zoom_step(e);
+ var before = that.view_before + step;
+ var after = that.view_after + step;
+ if(before <= that.netdata_last)
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_right).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Pan Right',
+ content: 'Pan the chart to the right. You can also <b>drag it</b> with your mouse or your finger (on touch devices).<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+
+ this.element_legend_childs.toolbox_zoomin.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_zoomin.innerHTML = NETDATA.icons.zoomIn;
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomin);
+ this.element_legend_childs.toolbox_zoomin.onclick = function(e) {
+ e.preventDefault();
+ var dt = ((that.view_before - that.view_after) * (get_pan_and_zoom_step(e) * 0.8) / 2);
+ var before = that.view_before - dt;
+ var after = that.view_after + dt;
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_zoomin).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Chart Zoom In',
+ content: 'Zoom in the chart. You can also press SHIFT and select an area of the chart, or press SHIFT or ALT and use the mouse wheel or 2-finger touchpad scroll to zoom in or out.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+ this.element_legend_childs.toolbox_zoomout.className += ' netdata-legend-toolbox-button';
+ this.element_legend_childs.toolbox_zoomout.innerHTML = NETDATA.icons.zoomOut;
+ this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomout);
+ this.element_legend_childs.toolbox_zoomout.onclick = function(e) {
+ e.preventDefault();
+ var dt = (((that.view_before - that.view_after) / (1.0 - (get_pan_and_zoom_step(e) * 0.8)) - (that.view_before - that.view_after)) / 2);
+ var before = that.view_before + dt;
+ var after = that.view_after - dt;
+
+ that.library.toolboxPanAndZoom(that, after, before);
+ };
+ if(NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.toolbox_zoomout).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ title: 'Chart Zoom Out',
+ content: 'Zoom out the chart. You can also press SHIFT or ALT and use the mouse wheel, or 2-finger touchpad scroll to zoom in or out.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+ //this.element_legend_childs.toolbox_volume.className += ' netdata-legend-toolbox-button';
+ //this.element_legend_childs.toolbox_volume.innerHTML = '<i class="fas fa-sort-amount-down"></i>';
+ //this.element_legend_childs.toolbox_volume.title = 'Visible Volume';
+ //this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_volume);
+ //this.element_legend_childs.toolbox_volume.onclick = function(e) {
+ //e.preventDefault();
+ //alert('clicked toolbox_volume on ' + that.id);
+ //}
+ }
+
+ if(NETDATA.options.current.resize_charts === true) {
+ this.element_legend_childs.resize_handler = document.createElement('div');
+
+ this.element_legend_childs.resize_handler.className += " netdata-legend-resize-handler";
+ this.element_legend_childs.resize_handler.innerHTML = NETDATA.icons.resize;
+ this.element.appendChild(this.element_legend_childs.resize_handler);
+ if (NETDATA.options.current.show_help === true)
+ $(this.element_legend_childs.resize_handler).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ delay: {
+ show: NETDATA.options.current.show_help_delay_show_ms,
+ hide: NETDATA.options.current.show_help_delay_hide_ms
+ },
+ title: 'Chart Resize',
+ content: 'Drag this point with your mouse or your finger (on touch devices), to resize the chart vertically. You can also <b>double click it</b> or <b>double tap it</b> to reset between 2 states: the default and the one that fits all the values.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+
+ // mousedown event
+ this.element_legend_childs.resize_handler.onmousedown =
+ function (e) {
+ that.resizeHandler(e);
+ };
+
+ // touchstart event
+ this.element_legend_childs.resize_handler.addEventListener('touchstart', function (e) {
+ that.resizeHandler(e);
+ }, false);
+ }
+
+ if(this.chart) {
+ this.element_legend_childs.title_date.title = this.legendPluginModuleString(true);
+ this.element_legend_childs.title_time.title = this.legendResolutionTooltip();
+ }
+
+ this.element_legend_childs.title_date.className += " netdata-legend-title-date";
+ this.element_legend.appendChild(this.element_legend_childs.title_date);
+ this.tmp.__last_shown_legend_date = undefined;
+
+ this.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.title_time.className += " netdata-legend-title-time";
+ this.element_legend.appendChild(this.element_legend_childs.title_time);
+ this.tmp.__last_shown_legend_time = undefined;
+
+ this.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.title_units.className += " netdata-legend-title-units";
+ this.element_legend_childs.title_units.innerText = this.units_current;
+ this.element_legend.appendChild(this.element_legend_childs.title_units);
+ this.tmp.__last_shown_legend_units = undefined;
+
+ this.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.perfect_scroller.className = 'netdata-legend-series';
+ this.element_legend.appendChild(this.element_legend_childs.perfect_scroller);
+
+ content.className = 'netdata-legend-series-content';
+ this.element_legend_childs.perfect_scroller.appendChild(content);
+
+ this.element_legend_childs.content = content;
+
+ if(NETDATA.options.current.show_help === true)
+ $(content).popover({
+ container: "body",
+ animation: false,
+ html: true,
+ trigger: 'hover',
+ placement: 'bottom',
+ title: 'Chart Legend',
+ delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
+ content: 'You can click or tap on the values or the labels to select dimensions. By pressing SHIFT or CONTROL, you can enable or disable multiple dimensions.<br/><small>Help, can be disabled from the settings.</small>'
+ });
+ }
+ else {
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: null,
+ toolbox: null,
+ toolbox_left: null,
+ toolbox_right: null,
+ toolbox_reset: null,
+ toolbox_zoomin: null,
+ toolbox_zoomout: null,
+ toolbox_volume: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ perfect_scroller: null,
+ series: {}
+ };
+ }
+
+ if(this.data) {
+ this.element_legend_childs.series.labels_key = this.data.dimension_names.toString();
+ if(this.debug === true)
+ this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"');
+
+ for(i = 0, len = this.data.dimension_names.length; i < len ;i++) {
+ genLabel(this, content, this.data.dimension_ids[i], this.data.dimension_names[i], i);
+ }
+ }
+ else {
+ var tmp = [];
+ keys = Object.keys(this.chart.dimensions);
+ for(i = 0, len = keys.length; i < len ;i++) {
+ dim = keys[i];
+ tmp.push(this.chart.dimensions[dim].name);
+ genLabel(this, content, dim, this.chart.dimensions[dim].name, i);
+ }
+ this.element_legend_childs.series.labels_key = tmp.toString();
+ if(this.debug === true)
+ this.log('labels from chart: "' + this.element_legend_childs.series.labels_key + '"');
+ }
+
+ // create a hidden div to be used for hidding
+ // the original legend of the chart library
+ var el = document.createElement('div');
+ if(this.element_legend !== null)
+ this.element_legend.appendChild(el);
+ el.style.display = 'none';
+
+ this.element_legend_childs.hidden = document.createElement('div');
+ el.appendChild(this.element_legend_childs.hidden);
+
+ if(this.element_legend_childs.perfect_scroller !== null) {
+ Ps.initialize(this.element_legend_childs.perfect_scroller, {
+ wheelSpeed: 0.2,
+ wheelPropagation: true,
+ swipePropagation: true,
+ minScrollbarLength: null,
+ maxScrollbarLength: null,
+ useBothWheelAxes: false,
+ suppressScrollX: true,
+ suppressScrollY: false,
+ scrollXMarginOffset: 0,
+ scrollYMarginOffset: 0,
+ theme: 'default'
+ });
+ Ps.update(this.element_legend_childs.perfect_scroller);
+ }
+
+ this.legendShowLatestValues();
+ };
+
+ this.hasLegend = function() {
+ if(typeof this.tmp.___hasLegendCache___ !== 'undefined')
+ return this.tmp.___hasLegendCache___;
+
+ var leg = false;
+ if(this.library && this.library.legend(this) === 'right-side')
+ leg = true;
+
+ this.tmp.___hasLegendCache___ = leg;
+ return leg;
+ };
+
+ this.legendWidth = function() {
+ return (this.hasLegend())?140:0;
+ };
+
+ this.legendHeight = function() {
+ return $(this.element).height();
+ };
+
+ this.chartWidth = function() {
+ return $(this.element).width() - this.legendWidth();
+ };
+
+ this.chartHeight = function() {
+ return $(this.element).height();
+ };
+
+ this.chartPixelsPerPoint = function() {
+ // force an options provided detail
+ var px = this.pixels_per_point;
+
+ if(this.library && px < this.library.pixels_per_point(this))
+ px = this.library.pixels_per_point(this);
+
+ if(px < NETDATA.options.current.pixels_per_point)
+ px = NETDATA.options.current.pixels_per_point;
+
+ return px;
+ };
+
+ this.needsRecreation = function() {
+ var ret = (
+ this.chart_created === true
+ && this.library
+ && this.library.autoresize() === false
+ && this.tm.last_resized < NETDATA.options.last_page_resize
+ );
+
+ if(this.debug === true)
+ this.log('needsRecreation(): ' + ret.toString() + ', chart_created = ' + this.chart_created.toString());
+
+ return ret;
+ };
+
+ this.chartDataUniqueID = function() {
+ return this.id + ',' + this.library_name + ',' + this.dimensions + ',' + this.chartURLOptions();
+ };
+
+ this.chartURLOptions = function() {
+ var ret = '';
+
+ if(this.override_options !== null)
+ ret = this.override_options.toString();
+ else
+ ret = this.library.options(this);
+
+ if(this.append_options !== null)
+ ret += '%7C' + this.append_options.toString();
+
+ ret += '%7C' + 'jsonwrap';
+
+ if(NETDATA.options.current.eliminate_zero_dimensions === true)
+ ret += '%7C' + 'nonzero';
+
+ return ret;
+ };
+
+ this.chartURL = function() {
+ var after, before, points_multiplier = 1;
+ if(NETDATA.globalPanAndZoom.isActive()) {
+ if(this.current.force_before_ms !== null && this.current.force_after_ms !== null) {
+ this.tm.pan_and_zoom_seq = 0;
+
+ before = Math.round(this.current.force_before_ms / 1000);
+ after = Math.round(this.current.force_after_ms / 1000);
+ this.view_after = after * 1000;
+ this.view_before = before * 1000;
+
+ if(NETDATA.options.current.pan_and_zoom_data_padding === true) {
+ this.requested_padding = Math.round((before - after) / 2);
+ after -= this.requested_padding;
+ before += this.requested_padding;
+ this.requested_padding *= 1000;
+ points_multiplier = 2;
+ }
+
+ this.current.force_before_ms = null;
+ this.current.force_after_ms = null;
+ }
+ else {
+ this.tm.pan_and_zoom_seq = NETDATA.globalPanAndZoom.seq;
+
+ after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000);
+ before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000);
+ this.view_after = after * 1000;
+ this.view_before = before * 1000;
+
+ this.requested_padding = null;
+ points_multiplier = 1;
+ }
+ }
+ else {
+ this.tm.pan_and_zoom_seq = 0;
+
+ before = this.before;
+ after = this.after;
+ this.view_after = after * 1000;
+ this.view_before = before * 1000;
+
+ this.requested_padding = null;
+ points_multiplier = 1;
+ }
+
+ this.requested_after = after * 1000;
+ this.requested_before = before * 1000;
+
+ var data_points;
+ if(NETDATA.options.force_data_points !== 0) {
+ data_points = NETDATA.options.force_data_points;
+ this.data_points = data_points;
+ }
+ else {
+ this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+ data_points = this.data_points * points_multiplier;
+ }
+
+ // build the data URL
+ this.data_url = this.host + this.chart.data_url;
+ this.data_url += "&format=" + this.library.format();
+ this.data_url += "&points=" + (data_points).toString();
+ this.data_url += "&group=" + this.method;
+ this.data_url += "&gtime=" + this.gtime;
+ this.data_url += "&options=" + this.chartURLOptions();
+
+ if(after)
+ this.data_url += "&after=" + after.toString();
+
+ if(before)
+ this.data_url += "&before=" + before.toString();
+
+ if(this.dimensions)
+ this.data_url += "&dimensions=" + this.dimensions;
+
+ if(NETDATA.options.debug.chart_data_url === true || this.debug === true)
+ this.log('chartURL(): ' + this.data_url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + data_points.toString() + ' library: ' + this.library_name);
+ };
+
+ this.redrawChart = function() {
+ if(this.data !== null)
+ this.updateChartWithData(this.data);
+ };
+
+ this.updateChartWithData = function(data) {
+ if(this.debug === true)
+ this.log('updateChartWithData() called.');
+
+ // this may force the chart to be re-created
+ resizeChart();
+
+ this.data = data;
+
+ var started = Date.now();
+ var view_update_every = data.view_update_every * 1000;
+
+
+ if(this.data_update_every !== view_update_every) {
+ if(this.element_legend_childs.title_time)
+ this.element_legend_childs.title_time.title = this.legendResolutionTooltip();
+ }
+
+ // if the result is JSON, find the latest update-every
+ this.data_update_every = view_update_every;
+ this.data_after = data.after * 1000;
+ this.data_before = data.before * 1000;
+ this.netdata_first = data.first_entry * 1000;
+ this.netdata_last = data.last_entry * 1000;
+ this.data_points = data.points;
+
+ data.state = this;
+
+ if(NETDATA.options.current.pan_and_zoom_data_padding === true && this.requested_padding !== null) {
+ if(this.view_after < this.data_after) {
+ // console.log('adjusting view_after from ' + this.view_after + ' to ' + this.data_after);
+ this.view_after = this.data_after;
+ }
+
+ if(this.view_before > this.data_before) {
+ // console.log('adjusting view_before from ' + this.view_before + ' to ' + this.data_before);
+ this.view_before = this.data_before;
+ }
+ }
+ else {
+ this.view_after = this.data_after;
+ this.view_before = this.data_before;
+ }
+
+ if(this.debug === true) {
+ this.log('UPDATE No ' + this.updates_counter + ' COMPLETED');
+
+ if(this.current.force_after_ms)
+ this.log('STATUS: forced : ' + (this.current.force_after_ms / 1000).toString() + ' - ' + (this.current.force_before_ms / 1000).toString());
+ else
+ this.log('STATUS: forced : unset');
+
+ this.log('STATUS: requested : ' + (this.requested_after / 1000).toString() + ' - ' + (this.requested_before / 1000).toString());
+ this.log('STATUS: downloaded: ' + (this.data_after / 1000).toString() + ' - ' + (this.data_before / 1000).toString());
+ this.log('STATUS: rendered : ' + (this.view_after / 1000).toString() + ' - ' + (this.view_before / 1000).toString());
+ this.log('STATUS: points : ' + (this.data_points).toString());
+ }
+
+ if(this.data_points === 0) {
+ noDataToShow();
+ return;
+ }
+
+ if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
+ if(this.debug === true)
+ this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
+
+ init('force');
+ return;
+ }
+
+ // check and update the legend
+ this.legendUpdateDOM();
+
+ if(this.chart_created === true
+ && typeof this.library.update === 'function') {
+
+ if(this.debug === true)
+ this.log('updating chart...');
+
+ if(callChartLibraryUpdateSafely(data) === false)
+ return;
+ }
+ else {
+ if(this.debug === true)
+ this.log('creating chart...');
+
+ if(callChartLibraryCreateSafely(data) === false)
+ return;
+ }
+ if(this.isVisible() === true) {
+ hideMessage();
+ this.legendShowLatestValues();
+ }
+ else {
+ this.__redraw_on_unhide = true;
+
+ if(this.debug === true)
+ this.log("drawn while not visible");
+ }
+
+ if(this.selected === true)
+ NETDATA.globalSelectionSync.stop();
+
+ // update the performance counters
+ var now = Date.now();
+ this.tm.last_updated = now;
+
+ // don't update last_autorefreshed if this chart is
+ // forced to be updated with global PanAndZoom
+ if(NETDATA.globalPanAndZoom.isActive())
+ this.tm.last_autorefreshed = 0;
+ else {
+ if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes === true && typeof this.force_update_every !== 'number')
+ this.tm.last_autorefreshed = now - (now % this.data_update_every);
+ else
+ this.tm.last_autorefreshed = now;
+ }
+
+ this.refresh_dt_ms = now - started;
+ NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
+
+ if(this.refresh_dt_element !== null)
+ this.refresh_dt_element.innerText = this.refresh_dt_ms.toString();
+
+ if(this.foreign_element_before !== null)
+ this.foreign_element_before.innerText = NETDATA.dateTime.localeDateString(this.view_before) + ' ' + NETDATA.dateTime.localeTimeString(this.view_before);
+
+ if(this.foreign_element_after !== null)
+ this.foreign_element_after.innerText = NETDATA.dateTime.localeDateString(this.view_after) + ' ' + NETDATA.dateTime.localeTimeString(this.view_after);
+
+ if(this.foreign_element_duration !== null)
+ this.foreign_element_duration.innerText = NETDATA.seconds4human(Math.floor((this.view_before - this.view_after) / 1000) + 1);
+
+ if(this.foreign_element_update_every !== null)
+ this.foreign_element_update_every.innerText = NETDATA.seconds4human(Math.floor(this.data_update_every / 1000));
+ };
+
+ this.getSnapshotData = function(key) {
+ if(this.debug === true)
+ this.log('updating from snapshot: ' + key);
+
+ if(typeof netdataSnapshotData.data[key] === 'undefined') {
+ this.log('snapshot does not include data for key "' + key + '"');
+ return null;
+ }
+
+ if(typeof netdataSnapshotData.data[key] !== 'string') {
+ this.log('snapshot data for key "' + key + '" is not string');
+ return null;
+ }
+
+ var uncompressed;
+ try {
+ uncompressed = netdataSnapshotData.uncompress(netdataSnapshotData.data[key]);
+
+ if(uncompressed === null) {
+ this.log('uncompressed snapshot data for key ' + key + ' is null');
+ return null;
+ }
+
+ if(typeof uncompressed === 'undefined') {
+ this.log('uncompressed snapshot data for key ' + key + ' is undefined');
+ return null;
+ }
+ }
+ catch(e) {
+ this.log('decompression of snapshot data for key ' + key + ' failed');
+ console.log(e);
+ uncompressed = null;
+ }
+
+ if(typeof uncompressed !== 'string') {
+ this.log('uncompressed snapshot data for key ' + key + ' is not string');
+ return null;
+ }
+
+ var data;
+ try {
+ data = JSON.parse(uncompressed);
+ }
+ catch(e) {
+ this.log('parsing snapshot data for key ' + key + ' failed');
+ console.log(e);
+ data = null;
+ }
+
+ return data;
+ };
+
+ this.updateChart = function(callback) {
+ if (this.debug === true)
+ this.log('updateChart()');
+
+ if (this.fetching_data === true) {
+ if (this.debug === true)
+ this.log('updateChart(): I am already updating...');
+
+ if (typeof callback === 'function')
+ return callback(false, 'already running');
+
+ return;
+ }
+
+ // due to late initialization of charts and libraries
+ // we need to check this too
+ if (this.enabled === false) {
+ if (this.debug === true)
+ this.log('updateChart(): I am not enabled');
+
+ if (typeof callback === 'function')
+ return callback(false, 'not enabled');
+
+ return;
+ }
+
+ if (canBeRendered() === false) {
+ if (this.debug === true)
+ this.log('updateChart(): cannot be rendered');
+
+ if (typeof callback === 'function')
+ return callback(false, 'cannot be rendered');
+
+ return;
+ }
+
+ if (that.dom_created !== true) {
+ if (this.debug === true)
+ this.log('updateChart(): creating DOM');
+
+ createDOM();
+ }
+
+ if (this.chart === null) {
+ if (this.debug === true)
+ this.log('updateChart(): getting chart');
+
+ return this.getChart(function () {
+ return that.updateChart(callback);
+ });
+ }
+
+ if(this.library.initialized === false) {
+ if(this.library.enabled === true) {
+ if(this.debug === true)
+ this.log('updateChart(): initializing chart library');
+
+ return this.library.initialize(function () {
+ return that.updateChart(callback);
+ });
+ }
+ else {
+ error('chart library "' + this.library_name + '" is not available.');
+
+ if(typeof callback === 'function')
+ return callback(false, 'library not available');
+
+ return;
+ }
+ }
+
+ this.clearSelection();
+ this.chartURL();
+
+ NETDATA.statistics.refreshes_total++;
+ NETDATA.statistics.refreshes_active++;
+
+ if(NETDATA.statistics.refreshes_active > NETDATA.statistics.refreshes_active_max)
+ NETDATA.statistics.refreshes_active_max = NETDATA.statistics.refreshes_active;
+
+ var ok = false;
+ this.fetching_data = true;
+
+ if(netdataSnapshotData !== null) {
+ var key = this.chartDataUniqueID();
+ var data = this.getSnapshotData(key);
+ if (data !== null) {
+ ok = true;
+ data = NETDATA.xss.checkData('/api/v1/data', data, this.library.xssRegexIgnore);
+ this.updateChartWithData(data);
+ }
+ else {
+ ok = false;
+ error('cannot get data from snapshot for key: "' + key + '"');
+ that.tm.last_autorefreshed = Date.now();
+ }
+
+ NETDATA.statistics.refreshes_active--;
+ this.fetching_data = false;
+
+ if(typeof callback === 'function')
+ callback(ok, 'snapshot');
+
+ return;
+ }
+
+ if(this.debug === true)
+ this.log('updating from ' + this.data_url);
+
+ this.xhr = $.ajax( {
+ url: this.data_url,
+ cache: false,
+ async: true,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkData('/api/v1/data', data, that.library.xssRegexIgnore);
+
+ that.xhr = undefined;
+ that.retries_on_data_failures = 0;
+ ok = true;
+
+ if(that.debug === true)
+ that.log('data received. updating chart.');
+
+ that.updateChartWithData(data);
+ })
+ .fail(function(msg) {
+ that.xhr = undefined;
+
+ if(msg.statusText !== 'abort') {
+ that.retries_on_data_failures++;
+ if(that.retries_on_data_failures > NETDATA.options.current.retries_on_data_failures) {
+ // that.log('failed ' + that.retries_on_data_failures.toString() + ' times - giving up');
+ that.retries_on_data_failures = 0;
+ error('data download failed for url: ' + that.data_url);
+ }
+ else {
+ that.tm.last_autorefreshed = Date.now();
+ // that.log('failed ' + that.retries_on_data_failures.toString() + ' times, but I will retry');
+ }
+ }
+ })
+ .always(function() {
+ that.xhr = undefined;
+
+ NETDATA.statistics.refreshes_active--;
+ that.fetching_data = false;
+
+ if(typeof callback === 'function')
+ return callback(ok, 'download');
+ });
+ };
+
+ var __isVisible = function() {
+ var ret = true;
+
+ if(NETDATA.options.current.update_only_visible !== false) {
+ // tolerance is the number of pixels a chart can be off-screen
+ // to consider it as visible and refresh it as if was visible
+ var tolerance = 0;
+
+ that.tm.last_visible_check = Date.now();
+
+ var rect = that.element.getBoundingClientRect();
+
+ var screenTop = window.scrollY;
+ var screenBottom = screenTop + window.innerHeight;
+
+ var chartTop = rect.top + screenTop;
+ var chartBottom = chartTop + rect.height;
+
+ ret = !(rect.width === 0 || rect.height === 0 || chartBottom + tolerance < screenTop || chartTop - tolerance > screenBottom);
+ }
+
+ if(that.debug === true)
+ that.log('__isVisible(): ' + ret);
+
+ return ret;
+ };
+
+ this.isVisible = function(nocache) {
+ // this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll);
+
+ // caching - we do not evaluate the charts visibility
+ // if the page has not been scrolled since the last check
+ if((typeof nocache !== 'undefined' && nocache === true)
+ || typeof this.tmp.___isVisible___ === 'undefined'
+ || this.tm.last_visible_check <= NETDATA.options.last_page_scroll) {
+ this.tmp.___isVisible___ = __isVisible();
+ if (this.tmp.___isVisible___ === true) this.unhideChart();
+ else this.hideChart();
+ }
+
+ if(this.debug === true)
+ this.log('isVisible(' + nocache + '): ' + this.tmp.___isVisible___);
+
+ return this.tmp.___isVisible___;
+ };
+
+ this.isAutoRefreshable = function() {
+ return (this.current.autorefresh);
+ };
+
+ this.canBeAutoRefreshed = function() {
+ if(this.enabled === false) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed() -> not enabled');
+
+ return false;
+ }
+
+ if(this.running === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed() -> already running');
+
+ return false;
+ }
+
+ if(this.library === null || this.library.enabled === false) {
+ error('charting library "' + this.library_name + '" is not available');
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed() -> chart library ' + this.library_name + ' is not available');
+
+ return false;
+ }
+
+ if(this.isVisible() === false) {
+ if(NETDATA.options.debug.visibility === true || this.debug === true)
+ this.log('canBeAutoRefreshed() -> not visible');
+
+ return false;
+ }
+
+ var now = Date.now();
+
+ if(this.current.force_update_at !== 0 && this.current.force_update_at < now) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed() -> timed force update - allowing this update');
+
+ this.current.force_update_at = 0;
+ return true;
+ }
+
+ if(this.isAutoRefreshable() === false) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed() -> not auto-refreshable');
+
+ return false;
+ }
+
+ // allow the first update, even if the page is not visible
+ if(NETDATA.options.page_is_visible === false && this.updates_counter && this.updates_since_last_unhide) {
+ if(NETDATA.options.debug.focus === true || this.debug === true)
+ this.log('canBeAutoRefreshed() -> not the first update, and page does not have focus');
+
+ return false;
+ }
+
+ if(this.needsRecreation() === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed() -> needs re-creation.');
+
+ return true;
+ }
+
+ if(NETDATA.options.auto_refresher_stop_until >= now) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed() -> stopped until is in future.');
+
+ return false;
+ }
+
+ // options valid only for autoRefresh()
+ if(NETDATA.globalPanAndZoom.isActive()) {
+ if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): global panning: I need an update.');
+
+ return true;
+ }
+ else {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
+
+ return false;
+ }
+ }
+
+ if(this.selected === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): I have a selection in place.');
+
+ return false;
+ }
+
+ if(this.paused === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): I am paused.');
+
+ return false;
+ }
+
+ var data_update_every = this.data_update_every;
+ if(typeof this.force_update_every === 'number')
+ data_update_every = this.force_update_every;
+
+ if(now - this.tm.last_autorefreshed >= data_update_every) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): It is time to update me. Now: ' + now.toString() + ', last_autorefreshed: ' + this.tm.last_autorefreshed + ', data_update_every: ' + data_update_every + ', delta: ' + (now - this.tm.last_autorefreshed).toString());
+
+ return true;
+ }
+
+ return false;
+ };
+
+ this.autoRefresh = function(callback) {
+ var state = that;
+
+ if(state.canBeAutoRefreshed() === true && state.running === false) {
+
+ state.running = true;
+ state.updateChart(function() {
+ state.running = false;
+
+ if(typeof callback === 'function')
+ return callback();
+ });
+ }
+ else {
+ if(typeof callback === 'function')
+ return callback();
+ }
+ };
+
+ this.__defaultsFromDownloadedChart = function(chart) {
+ this.chart = chart;
+ this.chart_url = chart.url;
+ this.data_update_every = chart.update_every * 1000;
+ this.data_points = Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+ this.tm.last_info_downloaded = Date.now();
+
+ if(this.title === null)
+ this.title = chart.title;
+
+ if(this.units === null) {
+ this.units = chart.units;
+ this.units_current = this.units;
+ }
+ };
+
+ // fetch the chart description from the netdata server
+ this.getChart = function(callback) {
+ this.chart = NETDATA.chartRegistry.get(this.host, this.id);
+ if(this.chart) {
+ this.__defaultsFromDownloadedChart(this.chart);
+
+ if(typeof callback === 'function')
+ return callback();
+ }
+ else if(netdataSnapshotData !== null) {
+ // console.log(this);
+ // console.log(NETDATA.chartRegistry);
+ NETDATA.error(404, 'host: ' + this.host + ', chart: ' + this.id);
+ error('chart not found in snapshot');
+
+ if(typeof callback === 'function')
+ return callback();
+ }
+ else {
+ this.chart_url = "/api/v1/chart?chart=" + this.id;
+
+ if(this.debug === true)
+ this.log('downloading ' + this.chart_url);
+
+ $.ajax( {
+ url: this.host + this.chart_url,
+ cache: false,
+ async: true,
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(chart) {
+ chart = NETDATA.xss.checkOptional('/api/v1/chart', chart);
+
+ chart.url = that.chart_url;
+ that.__defaultsFromDownloadedChart(chart);
+ NETDATA.chartRegistry.add(that.host, that.id, chart);
+ })
+ .fail(function() {
+ NETDATA.error(404, that.chart_url);
+ error('chart not found on url "' + that.chart_url + '"');
+ })
+ .always(function() {
+ if(typeof callback === 'function')
+ return callback();
+ });
+ }
+ };
+
+ // ============================================================================================================
+ // INITIALIZATION
+
+ initDOM();
+ init('fast');
+ };
+
+ NETDATA.resetAllCharts = function(state) {
+ // first clear the global selection sync
+ // to make sure no chart is in selected state
+ NETDATA.globalSelectionSync.stop();
+
+ // there are 2 possibilities here
+ // a. state is the global Pan and Zoom master
+ // b. state is not the global Pan and Zoom master
+ var master = true;
+ if(NETDATA.globalPanAndZoom.isMaster(state) === false)
+ master = false;
+
+ // clear the global Pan and Zoom
+ // this will also refresh the master
+ // and unblock any charts currently mirroring the master
+ NETDATA.globalPanAndZoom.clearMaster();
+
+ // if we were not the master, reset our status too
+ // this is required because most probably the mouse
+ // is over this chart, blocking it from auto-refreshing
+ if(master === false && (state.paused === true || state.selected === true))
+ state.resetChart();
+ };
+
+ // get or create a chart state, given a DOM element
+ NETDATA.chartState = function(element) {
+ var self = $(element);
+
+ var state = self.data('netdata-state-object') || null;
+ if(state === null) {
+ state = new chartState(element);
+ self.data('netdata-state-object', state);
+ }
+ return state;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Library functions
+
+ // Load a script without jquery
+ // This is used to load jquery - after it is loaded, we use jquery
+ NETDATA._loadjQuery = function(callback) {
+ if(typeof jQuery === 'undefined') {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.jQuery);
+
+ var script = document.createElement('script');
+ script.type = 'text/javascript';
+ script.async = true;
+ script.src = NETDATA.jQuery;
+
+ // script.onabort = onError;
+ script.onerror = function() { NETDATA.error(101, NETDATA.jQuery); };
+ if(typeof callback === "function") {
+ script.onload = function () {
+ $ = jQuery;
+ return callback();
+ };
+ }
+
+ var s = document.getElementsByTagName('script')[0];
+ s.parentNode.insertBefore(script, s);
+ }
+ else if(typeof callback === "function") {
+ $ = jQuery;
+ return callback();
+ }
+ };
+
+ NETDATA._loadCSS = function(filename) {
+ // don't use jQuery here
+ // styles are loaded before jQuery
+ // to eliminate showing an unstyled page to the user
+
+ var fileref = document.createElement("link");
+ fileref.setAttribute("rel", "stylesheet");
+ fileref.setAttribute("type", "text/css");
+ fileref.setAttribute("href", filename);
+
+ if (typeof fileref !== 'undefined')
+ document.getElementsByTagName("head")[0].appendChild(fileref);
+ };
+
+ NETDATA.colorHex2Rgb = function(hex) {
+ // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
+ var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
+ hex = hex.replace(shorthandRegex, function(m, r, g, b) {
+ return r + r + g + g + b + b;
+ });
+
+ var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
+ return result ? {
+ r: parseInt(result[1], 16),
+ g: parseInt(result[2], 16),
+ b: parseInt(result[3], 16)
+ } : null;
+ };
+
+ NETDATA.colorLuminance = function(hex, lum) {
+ // validate hex string
+ hex = String(hex).replace(/[^0-9a-f]/gi, '');
+ if (hex.length < 6)
+ hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
+
+ lum = lum || 0;
+
+ // convert to decimal and change luminosity
+ var rgb = "#", c, i;
+ for (i = 0; i < 3; i++) {
+ c = parseInt(hex.substr(i*2,2), 16);
+ c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16);
+ rgb += ("00"+c).substr(c.length);
+ }
+
+ return rgb;
+ };
+
+ NETDATA.guid = function() {
+ function s4() {
+ return Math.floor((1 + Math.random()) * 0x10000)
+ .toString(16)
+ .substring(1);
+ }
+
+ return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
+ };
+
+ NETDATA.zeropad = function(x) {
+ if(x > -10 && x < 10) return '0' + x.toString();
+ else return x.toString();
+ };
+
+ // user function to signal us the DOM has been
+ // updated.
+ NETDATA.updatedDom = function() {
+ NETDATA.options.updated_dom = true;
+ };
+
+ NETDATA.ready = function(callback) {
+ NETDATA.options.pauseCallback = callback;
+ };
+
+ NETDATA.pause = function(callback) {
+ if(typeof callback === 'function') {
+ if (NETDATA.options.pause === true)
+ return callback();
+ else
+ NETDATA.options.pauseCallback = callback;
+ }
+ };
+
+ NETDATA.unpause = function() {
+ NETDATA.options.pauseCallback = null;
+ NETDATA.options.updated_dom = true;
+ NETDATA.options.pause = false;
+ };
+
+ NETDATA.seconds4human = function (seconds, options) {
+ var default_options = {
+ now: 'now',
+ space: ' ',
+ negative_suffix: 'ago',
+ day: 'day',
+ days: 'days',
+ hour: 'hour',
+ hours: 'hours',
+ minute: 'min',
+ minutes: 'mins',
+ second: 'sec',
+ seconds: 'secs',
+ and: 'and'
+ };
+
+ if(typeof options !== 'object')
+ options = default_options;
+ else {
+ var x;
+ for(x in default_options) {
+ if(typeof options[x] !== 'string')
+ options[x] = default_options[x];
+ }
+ }
+
+ if(typeof seconds === 'string')
+ seconds = parseInt(seconds, 10);
+
+ if(seconds === 0)
+ return options.now;
+
+ var suffix = '';
+ if(seconds < 0) {
+ seconds = -seconds;
+ if(options.negative_suffix !== '') suffix = options.space + options.negative_suffix;
+ }
+
+ var days = Math.floor(seconds / 86400);
+ seconds -= (days * 86400);
+
+ var hours = Math.floor(seconds / 3600);
+ seconds -= (hours * 3600);
+
+ var minutes = Math.floor(seconds / 60);
+ seconds -= (minutes * 60);
+
+ var strings = [];
+
+ if(days > 1) strings.push(days.toString() + options.space + options.days);
+ else if(days === 1) strings.push(days.toString() + options.space + options.day);
+
+ if(hours > 1) strings.push(hours.toString() + options.space + options.hours);
+ else if(hours === 1) strings.push(hours.toString() + options.space + options.hour);
+
+ if(minutes > 1) strings.push(minutes.toString() + options.space + options.minutes);
+ else if(minutes === 1) strings.push(minutes.toString() + options.space + options.minute);
+
+ if(seconds > 1) strings.push(Math.floor(seconds).toString() + options.space + options.seconds);
+ else if(seconds === 1) strings.push(Math.floor(seconds).toString() + options.space + options.second);
+
+ if(strings.length === 1)
+ return strings.pop() + suffix;
+
+ var last = strings.pop();
+ return strings.join(", ") + " " + options.and + " " + last + suffix;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ // this is purely sequential charts refresher
+ // it is meant to be autonomous
+ NETDATA.chartRefresherNoParallel = function(index, callback) {
+ var targets = NETDATA.intersectionObserver.targets();
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('NETDATA.chartRefresherNoParallel(' + index + ')');
+
+ if(NETDATA.options.updated_dom === true) {
+ // the dom has been updated
+ // get the dom parts again
+ NETDATA.parseDom(callback);
+ return;
+ }
+ if(index >= targets.length) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('waiting to restart main loop...');
+
+ NETDATA.options.auto_refresher_fast_weight = 0;
+ callback();
+ }
+ else {
+ var state = targets[index];
+
+ if(NETDATA.options.auto_refresher_fast_weight < NETDATA.options.current.fast_render_timeframe) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('fast rendering...');
+
+ if(state.isVisible() === true)
+ NETDATA.timeout.set(function() {
+ state.autoRefresh(function () {
+ NETDATA.chartRefresherNoParallel(++index, callback);
+ });
+ }, 0);
+ else
+ NETDATA.chartRefresherNoParallel(++index, callback);
+ }
+ else {
+ if(NETDATA.options.debug.main_loop === true) console.log('waiting for next refresh...');
+ NETDATA.options.auto_refresher_fast_weight = 0;
+
+ NETDATA.timeout.set(function() {
+ state.autoRefresh(function() {
+ NETDATA.chartRefresherNoParallel(++index, callback);
+ });
+ }, NETDATA.options.current.idle_between_charts);
+ }
+ }
+ };
+
+ NETDATA.chartRefresherWaitTime = function() {
+ return NETDATA.options.current.idle_parallel_loops;
+ };
+
+ // the default refresher
+ NETDATA.chartRefresherLastRun = 0;
+ NETDATA.chartRefresherRunsAfterParseDom = 0;
+ NETDATA.chartRefresherTimeoutId = undefined;
+
+ NETDATA.chartRefresherReschedule = function() {
+ if(NETDATA.options.current.async_on_scroll === true) {
+ if(NETDATA.chartRefresherTimeoutId)
+ NETDATA.timeout.clear(NETDATA.chartRefresherTimeoutId);
+ NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(NETDATA.chartRefresher, NETDATA.options.current.onscroll_worker_duration_threshold);
+ //console.log('chartRefresherReschedule()');
+ }
+ };
+
+ NETDATA.chartRefresher = function() {
+ // console.log('chartRefresher() begin ' + (Date.now() - NETDATA.chartRefresherLastRun).toString() + ' ms since last run');
+
+ if(NETDATA.options.page_is_visible === false
+ && NETDATA.options.current.stop_updates_when_focus_is_lost === true
+ && NETDATA.chartRefresherLastRun > NETDATA.options.last_page_resize
+ && NETDATA.chartRefresherLastRun > NETDATA.options.last_page_scroll
+ && NETDATA.chartRefresherRunsAfterParseDom > 10
+ ) {
+ setTimeout(
+ NETDATA.chartRefresher,
+ NETDATA.options.current.idle_lost_focus
+ );
+
+ // console.log('chartRefresher() page without focus, will run in ' + NETDATA.options.current.idle_lost_focus.toString() + ' ms, ' + NETDATA.chartRefresherRunsAfterParseDom.toString());
+ return;
+ }
+ NETDATA.chartRefresherRunsAfterParseDom++;
+
+ var now = Date.now();
+ NETDATA.chartRefresherLastRun = now;
+
+ if( now < NETDATA.options.on_scroll_refresher_stop_until ) {
+ NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
+ NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime()
+ );
+
+ // console.log('chartRefresher() end1 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms');
+ return;
+ }
+
+ if( now < NETDATA.options.auto_refresher_stop_until ) {
+ NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
+ NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime()
+ );
+
+ // console.log('chartRefresher() end2 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms');
+ return;
+ }
+
+ if(NETDATA.options.pause === true) {
+ // console.log('auto-refresher is paused');
+ NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
+ NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime()
+ );
+
+ // console.log('chartRefresher() end3 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms');
+ return;
+ }
+
+ if(typeof NETDATA.options.pauseCallback === 'function') {
+ // console.log('auto-refresher is calling pauseCallback');
+
+ NETDATA.options.pause = true;
+ NETDATA.options.pauseCallback();
+ NETDATA.chartRefresher();
+
+ // console.log('chartRefresher() end4 (nested)');
+ return;
+ }
+
+ if(NETDATA.options.current.parallel_refresher === false) {
+ // console.log('auto-refresher is calling chartRefresherNoParallel(0)');
+ NETDATA.chartRefresherNoParallel(0, function() {
+ NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
+ NETDATA.chartRefresher,
+ NETDATA.options.current.idle_between_loops
+ );
+ });
+ // console.log('chartRefresher() end5 (no parallel, nested)');
+ return;
+ }
+
+ if(NETDATA.options.updated_dom === true) {
+ // the dom has been updated
+ // get the dom parts again
+ // console.log('auto-refresher is calling parseDom()');
+ NETDATA.parseDom(NETDATA.chartRefresher);
+ // console.log('chartRefresher() end6 (parseDom)');
+ return;
+ }
+
+ if(NETDATA.globalSelectionSync.active() === false) {
+ var parallel = [];
+ var targets = NETDATA.intersectionObserver.targets();
+ var len = targets.length;
+ var state;
+ while(len--) {
+ state = targets[len];
+ if(state.running === true || state.isVisible() === false)
+ continue;
+
+ if(state.library.initialized === false) {
+ if(state.library.enabled === true) {
+ state.library.initialize(NETDATA.chartRefresher);
+ //console.log('chartRefresher() end6 (library init)');
+ return;
+ }
+ else {
+ state.error('chart library "' + state.library_name + '" is not enabled.');
+ }
+ }
+
+ if(NETDATA.scrollUp === true)
+ parallel.unshift(state);
+ else
+ parallel.push(state);
+ }
+
+ len = parallel.length;
+ while (len--) {
+ state = parallel[len];
+ // console.log('auto-refresher executing in parallel for ' + parallel.length.toString() + ' charts');
+ // this will execute the jobs in parallel
+
+ if (state.running === false)
+ NETDATA.timeout.set(state.autoRefresh, 0);
+ }
+ //else {
+ // console.log('auto-refresher nothing to do');
+ //}
+ }
+
+ // run the next refresh iteration
+ NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
+ NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime()
+ );
+
+ //console.log('chartRefresher() completed in ' + (Date.now() - now).toString() + ' ms');
+ };
+
+ NETDATA.parseDom = function(callback) {
+ //console.log('parseDom()');
+
+ NETDATA.options.last_page_scroll = Date.now();
+ NETDATA.options.updated_dom = false;
+ NETDATA.chartRefresherRunsAfterParseDom = 0;
+
+ var targets = $('div[data-netdata]'); //.filter(':visible');
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('DOM updated - there are ' + targets.length + ' charts on page.');
+
+ NETDATA.intersectionObserver.globalReset();
+ NETDATA.options.targets = [];
+ var len = targets.length;
+ while(len--) {
+ // the initialization will take care of sizing
+ // and the "loading..." message
+ var state = NETDATA.chartState(targets[len]);
+ NETDATA.options.targets.push(state);
+ NETDATA.intersectionObserver.observe(state);
+ }
+
+ if(NETDATA.globalChartUnderlay.isActive() === true)
+ NETDATA.globalChartUnderlay.setup();
+ else
+ NETDATA.globalChartUnderlay.clear();
+
+ if(typeof callback === 'function')
+ return callback();
+ };
+
+ // this is the main function - where everything starts
+ NETDATA.started = false;
+ NETDATA.start = function() {
+ // this should be called only once
+
+ if(NETDATA.started === true) {
+ console.log('netdata is already started');
+ return;
+ }
+
+ NETDATA.started = true;
+ NETDATA.options.page_is_visible = true;
+
+ $(window).blur(function() {
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = false;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Lost Focus!');
+ }
+ });
+
+ $(window).focus(function() {
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = true;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Focus restored!');
+ }
+ });
+
+ if(typeof document.hasFocus === 'function' && !document.hasFocus()) {
+ if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
+ NETDATA.options.page_is_visible = false;
+ if(NETDATA.options.debug.focus === true)
+ console.log('Document has no focus!');
+ }
+ }
+
+ // bootstrap tab switching
+ $('a[data-toggle="tab"]').on('shown.bs.tab', NETDATA.onscroll);
+
+ // bootstrap modal switching
+ var $modal = $('.modal');
+ $modal.on('hidden.bs.modal', NETDATA.onscroll);
+ $modal.on('shown.bs.modal', NETDATA.onscroll);
+
+ // bootstrap collapse switching
+ var $collapse = $('.collapse');
+ $collapse.on('hidden.bs.collapse', NETDATA.onscroll);
+ $collapse.on('shown.bs.collapse', NETDATA.onscroll);
+
+ NETDATA.parseDom(NETDATA.chartRefresher);
+
+ // Alarms initialization
+ setTimeout(NETDATA.alarms.init, 1000);
+
+ // Registry initialization
+ setTimeout(NETDATA.registry.init, netdataRegistryAfterMs);
+
+ if(typeof netdataCallback === 'function')
+ netdataCallback();
+ };
+
+ NETDATA.globalReset = function() {
+ NETDATA.intersectionObserver.globalReset();
+ NETDATA.globalSelectionSync.globalReset();
+ NETDATA.globalPanAndZoom.globalReset();
+ NETDATA.chartRegistry.globalReset();
+ NETDATA.commonMin.globalReset();
+ NETDATA.commonMax.globalReset();
+ NETDATA.commonColors.globalReset();
+ NETDATA.unitsConversion.globalReset();
+ NETDATA.options.targets = [];
+ NETDATA.parseDom();
+ NETDATA.unpause();
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // peity
+
+ NETDATA.peityInitialize = function(callback) {
+ if(typeof netdataNoPeitys === 'undefined' || !netdataNoPeitys) {
+ $.ajax({
+ url: NETDATA.peity_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('peity', NETDATA.peity_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.peity.enabled = false;
+ NETDATA.error(100, NETDATA.peity_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.peity.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.peityChartUpdate = function(state, data) {
+ state.peity_instance.innerHTML = data.result;
+
+ if(state.peity_options.stroke !== state.chartCustomColors()[0]) {
+ state.peity_options.stroke = state.chartCustomColors()[0];
+ if(state.chart.chart_type === 'line')
+ state.peity_options.fill = NETDATA.themes.current.background;
+ else
+ state.peity_options.fill = NETDATA.colorLuminance(state.chartCustomColors()[0], NETDATA.chartDefaults.fill_luminance);
+ }
+
+ $(state.peity_instance).peity('line', state.peity_options);
+ return true;
+ };
+
+ NETDATA.peityChartCreate = function(state, data) {
+ state.peity_instance = document.createElement('div');
+ state.element_chart.appendChild(state.peity_instance);
+
+ state.peity_options = {
+ stroke: NETDATA.themes.current.foreground,
+ strokeWidth: NETDATA.dataAttribute(state.element, 'peity-strokewidth', 1),
+ width: state.chartWidth(),
+ height: state.chartHeight(),
+ fill: NETDATA.themes.current.foreground
+ };
+
+ NETDATA.peityChartUpdate(state, data);
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // sparkline
+
+ NETDATA.sparklineInitialize = function(callback) {
+ if(typeof netdataNoSparklines === 'undefined' || !netdataNoSparklines) {
+ $.ajax({
+ url: NETDATA.sparkline_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.sparkline.enabled = false;
+ NETDATA.error(100, NETDATA.sparkline_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.sparkline.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.sparklineChartUpdate = function(state, data) {
+ state.sparkline_options.width = state.chartWidth();
+ state.sparkline_options.height = state.chartHeight();
+
+ $(state.element_chart).sparkline(data.result, state.sparkline_options);
+ return true;
+ };
+
+ NETDATA.sparklineChartCreate = function(state, data) {
+ var type = NETDATA.dataAttribute(state.element, 'sparkline-type', 'line');
+ var lineColor = NETDATA.dataAttribute(state.element, 'sparkline-linecolor', state.chartCustomColors()[0]);
+ var fillColor = NETDATA.dataAttribute(state.element, 'sparkline-fillcolor', ((state.chart.chart_type === 'line')?NETDATA.themes.current.background:NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance)));
+ var chartRangeMin = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemin', undefined);
+ var chartRangeMax = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemax', undefined);
+ var composite = NETDATA.dataAttribute(state.element, 'sparkline-composite', undefined);
+ var enableTagOptions = NETDATA.dataAttribute(state.element, 'sparkline-enabletagoptions', undefined);
+ var tagOptionPrefix = NETDATA.dataAttribute(state.element, 'sparkline-tagoptionprefix', undefined);
+ var tagValuesAttribute = NETDATA.dataAttribute(state.element, 'sparkline-tagvaluesattribute', undefined);
+ var disableHiddenCheck = NETDATA.dataAttribute(state.element, 'sparkline-disablehiddencheck', undefined);
+ var defaultPixelsPerValue = NETDATA.dataAttribute(state.element, 'sparkline-defaultpixelspervalue', undefined);
+ var spotColor = NETDATA.dataAttribute(state.element, 'sparkline-spotcolor', undefined);
+ var minSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-minspotcolor', undefined);
+ var maxSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-maxspotcolor', undefined);
+ var spotRadius = NETDATA.dataAttribute(state.element, 'sparkline-spotradius', undefined);
+ var valueSpots = NETDATA.dataAttribute(state.element, 'sparkline-valuespots', undefined);
+ var highlightSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightspotcolor', undefined);
+ var highlightLineColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightlinecolor', undefined);
+ var lineWidth = NETDATA.dataAttribute(state.element, 'sparkline-linewidth', undefined);
+ var normalRangeMin = NETDATA.dataAttribute(state.element, 'sparkline-normalrangemin', undefined);
+ var normalRangeMax = NETDATA.dataAttribute(state.element, 'sparkline-normalrangemax', undefined);
+ var drawNormalOnTop = NETDATA.dataAttribute(state.element, 'sparkline-drawnormalontop', undefined);
+ var xvalues = NETDATA.dataAttribute(state.element, 'sparkline-xvalues', undefined);
+ var chartRangeClip = NETDATA.dataAttribute(state.element, 'sparkline-chartrangeclip', undefined);
+ var chartRangeMinX = NETDATA.dataAttribute(state.element, 'sparkline-chartrangeminx', undefined);
+ var chartRangeMaxX = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemaxx', undefined);
+ var disableInteraction = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disableinteraction', false);
+ var disableTooltips = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disabletooltips', false);
+ var disableHighlight = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disablehighlight', false);
+ var highlightLighten = NETDATA.dataAttribute(state.element, 'sparkline-highlightlighten', 1.4);
+ var highlightColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightcolor', undefined);
+ var tooltipContainer = NETDATA.dataAttribute(state.element, 'sparkline-tooltipcontainer', undefined);
+ var tooltipClassname = NETDATA.dataAttribute(state.element, 'sparkline-tooltipclassname', undefined);
+ var tooltipFormat = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformat', undefined);
+ var tooltipPrefix = NETDATA.dataAttribute(state.element, 'sparkline-tooltipprefix', undefined);
+ var tooltipSuffix = NETDATA.dataAttribute(state.element, 'sparkline-tooltipsuffix', ' ' + state.units_current);
+ var tooltipSkipNull = NETDATA.dataAttributeBoolean(state.element, 'sparkline-tooltipskipnull', true);
+ var tooltipValueLookups = NETDATA.dataAttribute(state.element, 'sparkline-tooltipvaluelookups', undefined);
+ var tooltipFormatFieldlist = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformatfieldlist', undefined);
+ var tooltipFormatFieldlistKey = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformatfieldlistkey', undefined);
+ var numberFormatter = NETDATA.dataAttribute(state.element, 'sparkline-numberformatter', function(n){ return n.toFixed(2); });
+ var numberDigitGroupSep = NETDATA.dataAttribute(state.element, 'sparkline-numberdigitgroupsep', undefined);
+ var numberDecimalMark = NETDATA.dataAttribute(state.element, 'sparkline-numberdecimalmark', undefined);
+ var numberDigitGroupCount = NETDATA.dataAttribute(state.element, 'sparkline-numberdigitgroupcount', undefined);
+ var animatedZooms = NETDATA.dataAttributeBoolean(state.element, 'sparkline-animatedzooms', false);
+
+ if(spotColor === 'disable') spotColor='';
+ if(minSpotColor === 'disable') minSpotColor='';
+ if(maxSpotColor === 'disable') maxSpotColor='';
+
+ // state.log('sparkline type ' + type + ', lineColor: ' + lineColor + ', fillColor: ' + fillColor);
+
+ state.sparkline_options = {
+ type: type,
+ lineColor: lineColor,
+ fillColor: fillColor,
+ chartRangeMin: chartRangeMin,
+ chartRangeMax: chartRangeMax,
+ composite: composite,
+ enableTagOptions: enableTagOptions,
+ tagOptionPrefix: tagOptionPrefix,
+ tagValuesAttribute: tagValuesAttribute,
+ disableHiddenCheck: disableHiddenCheck,
+ defaultPixelsPerValue: defaultPixelsPerValue,
+ spotColor: spotColor,
+ minSpotColor: minSpotColor,
+ maxSpotColor: maxSpotColor,
+ spotRadius: spotRadius,
+ valueSpots: valueSpots,
+ highlightSpotColor: highlightSpotColor,
+ highlightLineColor: highlightLineColor,
+ lineWidth: lineWidth,
+ normalRangeMin: normalRangeMin,
+ normalRangeMax: normalRangeMax,
+ drawNormalOnTop: drawNormalOnTop,
+ xvalues: xvalues,
+ chartRangeClip: chartRangeClip,
+ chartRangeMinX: chartRangeMinX,
+ chartRangeMaxX: chartRangeMaxX,
+ disableInteraction: disableInteraction,
+ disableTooltips: disableTooltips,
+ disableHighlight: disableHighlight,
+ highlightLighten: highlightLighten,
+ highlightColor: highlightColor,
+ tooltipContainer: tooltipContainer,
+ tooltipClassname: tooltipClassname,
+ tooltipChartTitle: state.title,
+ tooltipFormat: tooltipFormat,
+ tooltipPrefix: tooltipPrefix,
+ tooltipSuffix: tooltipSuffix,
+ tooltipSkipNull: tooltipSkipNull,
+ tooltipValueLookups: tooltipValueLookups,
+ tooltipFormatFieldlist: tooltipFormatFieldlist,
+ tooltipFormatFieldlistKey: tooltipFormatFieldlistKey,
+ numberFormatter: numberFormatter,
+ numberDigitGroupSep: numberDigitGroupSep,
+ numberDecimalMark: numberDecimalMark,
+ numberDigitGroupCount: numberDigitGroupCount,
+ animatedZooms: animatedZooms,
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ };
+
+ $(state.element_chart).sparkline(data.result, state.sparkline_options);
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // dygraph
+
+ NETDATA.dygraph = {
+ smooth: false
+ };
+
+ NETDATA.dygraphToolboxPanAndZoom = function(state, after, before) {
+ if(after < state.netdata_first)
+ after = state.netdata_first;
+
+ if(before > state.netdata_last)
+ before = state.netdata_last;
+
+ state.setMode('zoom');
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_user_action = true;
+ state.tmp.dygraph_force_zoom = true;
+ // state.log('toolboxPanAndZoom');
+ state.updateChartPanOrZoom(after, before);
+ NETDATA.globalPanAndZoom.setMaster(state, after, before);
+ };
+
+ NETDATA.dygraphSetSelection = function(state, t) {
+ if(typeof state.tmp.dygraph_instance !== 'undefined') {
+ var r = state.calculateRowForTime(t);
+ if(r !== -1) {
+ state.tmp.dygraph_instance.setSelection(r);
+ return true;
+ }
+ else {
+ state.tmp.dygraph_instance.clearSelection();
+ state.legendShowUndefined();
+ }
+ }
+
+ return false;
+ };
+
+ NETDATA.dygraphClearSelection = function(state) {
+ if(typeof state.tmp.dygraph_instance !== 'undefined') {
+ state.tmp.dygraph_instance.clearSelection();
+ }
+ return true;
+ };
+
+ NETDATA.dygraphSmoothInitialize = function(callback) {
+ $.ajax({
+ url: NETDATA.dygraph_smooth_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.dygraph.smooth = true;
+ smoothPlotter.smoothing = 0.3;
+ })
+ .fail(function() {
+ NETDATA.dygraph.smooth = false;
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ };
+
+ NETDATA.dygraphInitialize = function(callback) {
+ if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
+ $.ajax({
+ url: NETDATA.dygraph_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.dygraph.enabled = false;
+ NETDATA.error(100, NETDATA.dygraph_js);
+ })
+ .always(function() {
+ if(NETDATA.chartLibraries.dygraph.enabled === true && NETDATA.options.current.smooth_plot === true)
+ NETDATA.dygraphSmoothInitialize(callback);
+ else if(typeof callback === "function")
+ return callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.dygraph.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.dygraphChartUpdate = function(state, data) {
+ var dygraph = state.tmp.dygraph_instance;
+
+ if(typeof dygraph === 'undefined')
+ return NETDATA.dygraphChartCreate(state, data);
+
+ // when the chart is not visible, and hidden
+ // if there is a window resize, dygraph detects
+ // its element size as 0x0.
+ // this will make it re-appear properly
+
+ if(state.tm.last_unhidden > state.tmp.dygraph_last_rendered)
+ dygraph.resize();
+
+ var options = {
+ file: data.result.data,
+ colors: state.chartColors(),
+ labels: data.result.labels,
+ //labelsDivWidth: state.chartWidth() - 70,
+ includeZero: state.tmp.dygraph_include_zero,
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names)
+ };
+
+ if(state.tmp.dygraph_chart_type === 'stacked') {
+ if(options.includeZero === true && state.dimensions_visibility.countSelected() < options.visibility.length)
+ options.includeZero = 0;
+ }
+
+ if(!NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+ options.ylabel = state.units_current; // (state.units_desired === 'auto')?"":state.units_current;
+ }
+
+ if(state.tmp.dygraph_force_zoom === true) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() forced zoom update');
+
+ options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
+ //options.isZoomedIgnoreProgrammaticZoom = true;
+ state.tmp.dygraph_force_zoom = false;
+ }
+ else if(state.current.name !== 'auto') {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() loose update');
+ }
+ else {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartUpdate() strict update');
+
+ options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
+ //options.isZoomedIgnoreProgrammaticZoom = true;
+ }
+
+ options.valueRange = state.tmp.dygraph_options.valueRange;
+
+ var oldMax = null, oldMin = null;
+ if (state.tmp.__commonMin !== null) {
+ state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0];
+ oldMin = options.valueRange[0] = NETDATA.commonMin.get(state);
+ }
+ if (state.tmp.__commonMax !== null) {
+ state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1];
+ oldMax = options.valueRange[1] = NETDATA.commonMax.get(state);
+ }
+
+ if(state.tmp.dygraph_smooth_eligible === true) {
+ if((NETDATA.options.current.smooth_plot === true && state.tmp.dygraph_options.plotter !== smoothPlotter)
+ || (NETDATA.options.current.smooth_plot === false && state.tmp.dygraph_options.plotter === smoothPlotter)) {
+ NETDATA.dygraphChartCreate(state, data);
+ return;
+ }
+ }
+
+ if(netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() === true && NETDATA.globalPanAndZoom.isMaster(state) === false) {
+ // pan and zoom on snapshots
+ options.dateWindow = [ NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms ];
+ //options.isZoomedIgnoreProgrammaticZoom = true;
+ }
+
+ if(NETDATA.chartLibraries.dygraph.isLogScale(state) === true) {
+ if(Array.isArray(options.valueRange) && options.valueRange[0] <= 0)
+ options.valueRange[0] = null;
+ }
+
+ dygraph.updateOptions(options);
+
+ var redraw = false;
+ if(oldMin !== null && oldMin > state.tmp.dygraph_instance.axes_[0].extremeRange[0]) {
+ state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0];
+ options.valueRange[0] = NETDATA.commonMin.get(state);
+ redraw = true;
+ }
+ if(oldMax !== null && oldMax < state.tmp.dygraph_instance.axes_[0].extremeRange[1]) {
+ state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1];
+ options.valueRange[1] = NETDATA.commonMax.get(state);
+ redraw = true;
+ }
+
+ if(redraw === true) {
+ // state.log('forcing redraw to adapt to common- min/max');
+ dygraph.updateOptions(options);
+ }
+
+ state.tmp.dygraph_last_rendered = Date.now();
+ return true;
+ };
+
+ NETDATA.dygraphChartCreate = function(state, data) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartCreate()');
+
+ state.tmp.dygraph_chart_type = NETDATA.dataAttribute(state.element, 'dygraph-type', state.chart.chart_type);
+ if(state.tmp.dygraph_chart_type === 'stacked' && data.dimensions === 1) state.tmp.dygraph_chart_type = 'area';
+ if(state.tmp.dygraph_chart_type === 'stacked' && NETDATA.chartLibraries.dygraph.isLogScale(state) === true) state.tmp.dygraph_chart_type = 'area';
+
+ var highlightCircleSize = (NETDATA.chartLibraries.dygraph.isSparkline(state) === true)?3:4;
+
+ var smooth = (NETDATA.dygraph.smooth === true)
+ ?(NETDATA.dataAttributeBoolean(state.element, 'dygraph-smooth', (state.tmp.dygraph_chart_type === 'line' && NETDATA.chartLibraries.dygraph.isSparkline(state) === false)))
+ :false;
+
+ state.tmp.dygraph_include_zero = NETDATA.dataAttribute(state.element, 'dygraph-includezero', (state.tmp.dygraph_chart_type === 'stacked'));
+ var drawAxis = NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawaxis', true);
+
+ state.tmp.dygraph_options = {
+ colors: NETDATA.dataAttribute(state.element, 'dygraph-colors', state.chartColors()),
+
+ // leave a few pixels empty on the right of the chart
+ rightGap: NETDATA.dataAttribute(state.element, 'dygraph-rightgap', 5),
+ showRangeSelector: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showrangeselector', false),
+ showRoller: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showroller', false),
+ title: NETDATA.dataAttribute(state.element, 'dygraph-title', state.title),
+ titleHeight: NETDATA.dataAttribute(state.element, 'dygraph-titleheight', 19),
+ legend: NETDATA.dataAttribute(state.element, 'dygraph-legend', 'always'), // we need this to get selection events
+ labels: data.result.labels,
+ labelsDiv: NETDATA.dataAttribute(state.element, 'dygraph-labelsdiv', state.element_legend_childs.hidden),
+ //labelsDivStyles: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivstyles', { 'fontSize':'1px' }),
+ //labelsDivWidth: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivwidth', state.chartWidth() - 70),
+ labelsSeparateLines: NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsseparatelines', true),
+ labelsShowZeroValues: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?false:NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsshowzerovalues', true),
+ labelsKMB: false,
+ labelsKMG2: false,
+ showLabelsOnHighlight: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showlabelsonhighlight', true),
+ hideOverlayOnMouseOut: NETDATA.dataAttributeBoolean(state.element, 'dygraph-hideoverlayonmouseout', true),
+ includeZero: state.tmp.dygraph_include_zero,
+ xRangePad: NETDATA.dataAttribute(state.element, 'dygraph-xrangepad', 0),
+ yRangePad: NETDATA.dataAttribute(state.element, 'dygraph-yrangepad', 1),
+ valueRange: NETDATA.dataAttribute(state.element, 'dygraph-valuerange', [ null, null ]),
+ ylabel: state.units_current, // (state.units_desired === 'auto')?"":state.units_current,
+ yLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-ylabelwidth', 12),
+
+ // the function to plot the chart
+ plotter: null,
+
+ // The width of the lines connecting data points.
+ // This can be used to increase the contrast or some graphs.
+ strokeWidth: NETDATA.dataAttribute(state.element, 'dygraph-strokewidth', ((state.tmp.dygraph_chart_type === 'stacked')?0.1:((smooth === true)?1.5:0.7))),
+ strokePattern: NETDATA.dataAttribute(state.element, 'dygraph-strokepattern', undefined),
+
+ // The size of the dot to draw on each point in pixels (see drawPoints).
+ // A dot is always drawn when a point is "isolated",
+ // i.e. there is a missing point on either side of it.
+ // This also controls the size of those dots.
+ drawPoints: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawpoints', false),
+
+ // Draw points at the edges of gaps in the data.
+ // This improves visibility of small data segments or other data irregularities.
+ drawGapEdgePoints: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgapedgepoints', true),
+ connectSeparatedPoints: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?false:NETDATA.dataAttributeBoolean(state.element, 'dygraph-connectseparatedpoints', false),
+ pointSize: NETDATA.dataAttribute(state.element, 'dygraph-pointsize', 1),
+
+ // enabling this makes the chart with little square lines
+ stepPlot: NETDATA.dataAttributeBoolean(state.element, 'dygraph-stepplot', false),
+
+ // Draw a border around graph lines to make crossing lines more easily
+ // distinguishable. Useful for graphs with many lines.
+ strokeBorderColor: NETDATA.dataAttribute(state.element, 'dygraph-strokebordercolor', NETDATA.themes.current.background),
+ strokeBorderWidth: NETDATA.dataAttribute(state.element, 'dygraph-strokeborderwidth', (state.tmp.dygraph_chart_type === 'stacked')?0.0:0.0),
+ fillGraph: NETDATA.dataAttribute(state.element, 'dygraph-fillgraph', (state.tmp.dygraph_chart_type === 'area' || state.tmp.dygraph_chart_type === 'stacked')),
+ fillAlpha: NETDATA.dataAttribute(state.element, 'dygraph-fillalpha',
+ ((state.tmp.dygraph_chart_type === 'stacked')
+ ?NETDATA.options.current.color_fill_opacity_stacked
+ :NETDATA.options.current.color_fill_opacity_area)
+ ),
+ stackedGraph: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraph', (state.tmp.dygraph_chart_type === 'stacked')),
+ stackedGraphNaNFill: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraphnanfill', 'none'),
+ drawAxis: drawAxis,
+ axisLabelFontSize: NETDATA.dataAttribute(state.element, 'dygraph-axislabelfontsize', 10),
+ axisLineColor: NETDATA.dataAttribute(state.element, 'dygraph-axislinecolor', NETDATA.themes.current.axis),
+ axisLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-axislinewidth', 1.0),
+ drawGrid: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgrid', true),
+ gridLinePattern: NETDATA.dataAttribute(state.element, 'dygraph-gridlinepattern', null),
+ gridLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-gridlinewidth', 1.0),
+ gridLineColor: NETDATA.dataAttribute(state.element, 'dygraph-gridlinecolor', NETDATA.themes.current.grid),
+ maxNumberWidth: NETDATA.dataAttribute(state.element, 'dygraph-maxnumberwidth', 8),
+ sigFigs: NETDATA.dataAttribute(state.element, 'dygraph-sigfigs', null),
+ digitsAfterDecimal: NETDATA.dataAttribute(state.element, 'dygraph-digitsafterdecimal', 2),
+ valueFormatter: NETDATA.dataAttribute(state.element, 'dygraph-valueformatter', undefined),
+ highlightCircleSize: NETDATA.dataAttribute(state.element, 'dygraph-highlightcirclesize', highlightCircleSize),
+ highlightSeriesOpts: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesopts', null), // TOO SLOW: { strokeWidth: 1.5 },
+ highlightSeriesBackgroundAlpha: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesbackgroundalpha', null), // TOO SLOW: (state.tmp.dygraph_chart_type === 'stacked')?0.7:0.5,
+ pointClickCallback: NETDATA.dataAttribute(state.element, 'dygraph-pointclickcallback', undefined),
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names),
+ logscale: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?'y':undefined,
+
+ axes: {
+ x: {
+ pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-xpixelsperlabel', 50),
+ ticker: Dygraph.dateTicker,
+ axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-xaxislabelwidth', 60),
+ drawAxis: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawxaxis', drawAxis),
+ axisLabelFormatter: function (d, gran) {
+ void(gran);
+ return NETDATA.dateTime.xAxisTimeString(d);
+ }
+ },
+ y: {
+ logscale: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?true:undefined,
+ pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-ypixelsperlabel', 15),
+ axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-yaxislabelwidth', 50),
+ drawAxis: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawyaxis', drawAxis),
+ axisLabelFormatter: function (y) {
+
+ // unfortunately, we have to call this every single time
+ state.legendFormatValueDecimalsFromMinMax(
+ this.axes_[0].extremeRange[0],
+ this.axes_[0].extremeRange[1]
+ );
+
+ var old_units = this.user_attrs_.ylabel;
+ var v = state.legendFormatValue(y);
+ var new_units = state.units_current;
+
+ if(state.units_desired === 'auto' && typeof old_units !== 'undefined' && new_units !== old_units && !NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+ // console.log(this);
+ // state.log('units discrepancy: old = ' + old_units + ', new = ' + new_units);
+ var len = this.plugins_.length;
+ while(len--) {
+ // console.log(this.plugins_[len]);
+ if(typeof this.plugins_[len].plugin.ylabel_div_ !== 'undefined'
+ && this.plugins_[len].plugin.ylabel_div_ !== null
+ && typeof this.plugins_[len].plugin.ylabel_div_.children !== 'undefined'
+ && this.plugins_[len].plugin.ylabel_div_.children !== null
+ && typeof this.plugins_[len].plugin.ylabel_div_.children[0].children !== 'undefined'
+ && this.plugins_[len].plugin.ylabel_div_.children[0].children !== null
+ ) {
+ this.plugins_[len].plugin.ylabel_div_.children[0].children[0].innerHTML = new_units;
+ this.user_attrs_.ylabel = new_units;
+ break;
+ }
+ }
+
+ if(len < 0)
+ state.log('units discrepancy, but cannot find dygraphs div to change: old = ' + old_units + ', new = ' + new_units);
+ }
+
+ return v;
+ }
+ }
+ },
+ legendFormatter: function(data) {
+ if(state.tmp.dygraph_mouse_down === true)
+ return;
+
+ var elements = state.element_legend_childs;
+
+ // if the hidden div is not there
+ // we are not managing the legend
+ if(elements.hidden === null) return;
+
+ if (typeof data.x !== 'undefined') {
+ state.legendSetDate(data.x);
+ var i = data.series.length;
+ while(i--) {
+ var series = data.series[i];
+ if(series.isVisible === true)
+ state.legendSetLabelValue(series.label, series.y);
+ else
+ state.legendSetLabelValue(series.label, null);
+ }
+ }
+
+ return '';
+ },
+ drawCallback: function(dygraph, is_initial) {
+
+ // the user has panned the chart and this is called to re-draw the chart
+ // 1. refresh this chart by adding data to it
+ // 2. notify all the other charts about the update they need
+
+ // to prevent an infinite loop (feedback), we use
+ // state.tmp.dygraph_user_action
+ // - when true, this is initiated by a user
+ // - when false, this is feedback
+
+ if(state.current.name !== 'auto' && state.tmp.dygraph_user_action === true) {
+ state.tmp.dygraph_user_action = false;
+
+ var x_range = dygraph.xAxisRange();
+ var after = Math.round(x_range[0]);
+ var before = Math.round(x_range[1]);
+
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphDrawCallback(dygraph, ' + is_initial + '): mode ' + state.current.name + ' ' + (after / 1000).toString() + ' - ' + (before / 1000).toString());
+ //console.log(state);
+
+ if(before <= state.netdata_last && after >= state.netdata_first)
+ // update only when we are within the data limits
+ state.updateChartPanOrZoom(after, before);
+ }
+ },
+ zoomCallback: function(minDate, maxDate, yRanges) {
+
+ // the user has selected a range on the chart
+ // 1. refresh this chart by adding data to it
+ // 2. notify all the other charts about the update they need
+
+ void(yRanges);
+
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphZoomCallback(): ' + state.current.name);
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+ state.setMode('zoom');
+
+ // refresh it to the greatest possible zoom level
+ state.tmp.dygraph_user_action = true;
+ state.tmp.dygraph_force_zoom = true;
+ state.updateChartPanOrZoom(minDate, maxDate);
+ },
+ highlightCallback: function(event, x, points, row, seriesName) {
+ void(seriesName);
+
+ state.pauseChart();
+
+ // there is a bug in dygraph when the chart is zoomed enough
+ // the time it thinks is selected is wrong
+ // here we calculate the time t based on the row number selected
+ // which is ok
+ // var t = state.data_after + row * state.data_update_every;
+ // console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':(Math.abs(x-t)<=state.data_update_every)?'SIMILAR':'DIFFERENT') + ', rows in db: ' + state.data_points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.data_after + ' - ' + state.data_before + ' real: ' + state.data.after + ' - ' + state.data.before + ' every: ' + state.data_update_every);
+
+ if(state.tmp.dygraph_mouse_down !== true)
+ NETDATA.globalSelectionSync.sync(state, x);
+
+ // fix legend zIndex using the internal structures of dygraph legend module
+ // this works, but it is a hack!
+ // state.tmp.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000;
+ },
+ unhighlightCallback: function(event) {
+ void(event);
+
+ if(state.tmp.dygraph_mouse_down === true)
+ return;
+
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphUnhighlightCallback()');
+
+ state.unpauseChart();
+ NETDATA.globalSelectionSync.stop();
+ },
+ underlayCallback: function(canvas, area, g) {
+
+ // the chart is about to be drawn
+ // this function renders global highlighted time-frame
+
+ if(NETDATA.globalChartUnderlay.isActive()) {
+ var after = NETDATA.globalChartUnderlay.after;
+ var before = NETDATA.globalChartUnderlay.before;
+
+ if(after < state.view_after)
+ after = state.view_after;
+
+ if(before > state.view_before)
+ before = state.view_before;
+
+ if(after < before) {
+ var bottom_left = g.toDomCoords(after, -20);
+ var top_right = g.toDomCoords(before, +20);
+
+ var left = bottom_left[0];
+ var right = top_right[0];
+
+ canvas.fillStyle = NETDATA.themes.current.highlight;
+ canvas.fillRect(left, area.y, right - left, area.h);
+ }
+ }
+ },
+ interactionModel : {
+ mousedown: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousedown()');
+
+ state.tmp.dygraph_user_action = true;
+
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphMouseDown()');
+
+ // Right-click should not initiate anything.
+ if(event.button && event.button === 2) return;
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_mouse_down = true;
+ context.initializeMouseDown(event, dygraph, context);
+
+ //console.log(event);
+ if(event.button && event.button === 1) {
+ if (event.shiftKey) {
+ //console.log('middle mouse button dragging (PAN)');
+
+ state.setMode('pan');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startPan(event, dygraph, context);
+ }
+ else if(event.altKey || event.ctrlKey || event.metaKey) {
+ //console.log('middle mouse button highlight');
+
+ if (!(event.offsetX && event.offsetY)) {
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+ state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX);
+ Dygraph.startZoom(event, dygraph, context);
+ }
+ else {
+ //console.log('middle mouse button selection for zoom (ZOOM)');
+
+ state.setMode('zoom');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startZoom(event, dygraph, context);
+ }
+ }
+ else {
+ if (event.shiftKey) {
+ //console.log('left mouse button selection for zoom (ZOOM)');
+
+ state.setMode('zoom');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startZoom(event, dygraph, context);
+ }
+ else if(event.altKey || event.ctrlKey || event.metaKey) {
+ //console.log('left mouse button highlight');
+
+ if (!(event.offsetX && event.offsetY)) {
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+ state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX);
+ Dygraph.startZoom(event, dygraph, context);
+ }
+ else {
+ //console.log('left mouse button dragging (PAN)');
+
+ state.setMode('pan');
+ // NETDATA.globalSelectionSync.delay();
+ state.tmp.dygraph_highlight_after = null;
+ Dygraph.startPan(event, dygraph, context);
+ }
+ }
+ },
+ mousemove: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousemove()');
+
+ if(state.tmp.dygraph_highlight_after !== null) {
+ //console.log('highlight selection...');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.moveZoom(event, dygraph, context);
+ event.preventDefault();
+ }
+ else if(context.isPanning) {
+ //console.log('panning...');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ //NETDATA.globalSelectionSync.stop();
+ //NETDATA.globalSelectionSync.delay();
+ state.setMode('pan');
+ context.is2DPan = false;
+ Dygraph.movePan(event, dygraph, context);
+ }
+ else if(context.isZooming) {
+ //console.log('zooming...');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ //NETDATA.globalSelectionSync.stop();
+ //NETDATA.globalSelectionSync.delay();
+ state.setMode('zoom');
+ Dygraph.moveZoom(event, dygraph, context);
+ }
+ },
+ mouseup: function(event, dygraph, context) {
+ state.tmp.dygraph_mouse_down = false;
+
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mouseup()');
+
+ if(state.tmp.dygraph_highlight_after !== null) {
+ //console.log('done highlight selection');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ if (!(event.offsetX && event.offsetY)){
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+
+ NETDATA.globalChartUnderlay.set(state
+ , state.tmp.dygraph_highlight_after
+ , dygraph.toDataXCoord(event.offsetX)
+ , state.view_after
+ , state.view_before
+ );
+
+ state.tmp.dygraph_highlight_after = null;
+
+ context.isZooming = false;
+ dygraph.clearZoomRect_();
+ dygraph.drawGraph_(false);
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ }
+ else if (context.isPanning) {
+ //console.log('done panning');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.endPan(event, dygraph, context);
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ }
+ else if (context.isZooming) {
+ //console.log('done zomming');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.endZoom(event, dygraph, context);
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ }
+ },
+ click: function(event, dygraph, context) {
+ void(dygraph);
+ void(context);
+
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.click()');
+
+ event.preventDefault();
+ },
+ dblclick: function(event, dygraph, context) {
+ void(event);
+ void(dygraph);
+ void(context);
+
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.dblclick()');
+ NETDATA.resetAllCharts(state);
+ },
+ wheel: function(event, dygraph, context) {
+ void(context);
+
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.wheel()');
+
+ // Take the offset of a mouse event on the dygraph canvas and
+ // convert it to a pair of percentages from the bottom left.
+ // (Not top left, bottom is where the lower value is.)
+ function offsetToPercentage(g, offsetX, offsetY) {
+ // This is calculating the pixel offset of the leftmost date.
+ var xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0];
+ var yar0 = g.yAxisRange(0);
+
+ // This is calculating the pixel of the highest value. (Top pixel)
+ var yOffset = g.toDomCoords(null, yar0[1])[1];
+
+ // x y w and h are relative to the corner of the drawing area,
+ // so that the upper corner of the drawing area is (0, 0).
+ var x = offsetX - xOffset;
+ var y = offsetY - yOffset;
+
+ // This is computing the rightmost pixel, effectively defining the
+ // width.
+ var w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset;
+
+ // This is computing the lowest pixel, effectively defining the height.
+ var h = g.toDomCoords(null, yar0[0])[1] - yOffset;
+
+ // Percentage from the left.
+ var xPct = w === 0 ? 0 : (x / w);
+ // Percentage from the top.
+ var yPct = h === 0 ? 0 : (y / h);
+
+ // The (1-) part below changes it from "% distance down from the top"
+ // to "% distance up from the bottom".
+ return [xPct, (1-yPct)];
+ }
+
+ // Adjusts [x, y] toward each other by zoomInPercentage%
+ // Split it so the left/bottom axis gets xBias/yBias of that change and
+ // tight/top gets (1-xBias)/(1-yBias) of that change.
+ //
+ // If a bias is missing it splits it down the middle.
+ function zoomRange(g, zoomInPercentage, xBias, yBias) {
+ xBias = xBias || 0.5;
+ yBias = yBias || 0.5;
+
+ function adjustAxis(axis, zoomInPercentage, bias) {
+ var delta = axis[1] - axis[0];
+ var increment = delta * zoomInPercentage;
+ var foo = [increment * bias, increment * (1-bias)];
+
+ return [ axis[0] + foo[0], axis[1] - foo[1] ];
+ }
+
+ var yAxes = g.yAxisRanges();
+ var newYAxes = [];
+ for (var i = 0; i < yAxes.length; i++) {
+ newYAxes[i] = adjustAxis(yAxes[i], zoomInPercentage, yBias);
+ }
+
+ return adjustAxis(g.xAxisRange(), zoomInPercentage, xBias);
+ }
+
+ if(event.altKey || event.shiftKey) {
+ state.tmp.dygraph_user_action = true;
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ // http://dygraphs.com/gallery/interaction-api.js
+ var normal_def;
+ if(typeof event.wheelDelta === 'number' && !isNaN(event.wheelDelta))
+ // chrome
+ normal_def = event.wheelDelta / 40;
+ else
+ // firefox
+ normal_def = event.deltaY * -1.2;
+
+ var normal = (event.detail) ? event.detail * -1 : normal_def;
+ var percentage = normal / 50;
+
+ if (!(event.offsetX && event.offsetY)){
+ event.offsetX = event.layerX - event.target.offsetLeft;
+ event.offsetY = event.layerY - event.target.offsetTop;
+ }
+
+ var percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY);
+ var xPct = percentages[0];
+ var yPct = percentages[1];
+
+ var new_x_range = zoomRange(dygraph, percentage, xPct, yPct);
+ var after = new_x_range[0];
+ var before = new_x_range[1];
+
+ var first = state.netdata_first + state.data_update_every;
+ var last = state.netdata_last + state.data_update_every;
+
+ if(before > last) {
+ after -= (before - last);
+ before = last;
+ }
+ if(after < first) {
+ after = first;
+ }
+
+ state.setMode('zoom');
+ state.updateChartPanOrZoom(after, before, function() {
+ dygraph.updateOptions({ dateWindow: [ after, before ] });
+ });
+
+ event.preventDefault();
+ }
+ },
+ touchstart: function(event, dygraph, context) {
+ state.tmp.dygraph_mouse_down = true;
+
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchstart()');
+
+ state.tmp.dygraph_user_action = true;
+ state.setMode('zoom');
+ state.pauseChart();
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ Dygraph.defaultInteractionModel.touchstart(event, dygraph, context);
+
+ // we overwrite the touch directions at the end, to overwrite
+ // the internal default of dygraph
+ context.touchDirections = { x: true, y: false };
+
+ state.dygraph_last_touch_start = Date.now();
+ state.dygraph_last_touch_move = 0;
+
+ if(typeof event.touches[0].pageX === 'number')
+ state.dygraph_last_touch_page_x = event.touches[0].pageX;
+ else
+ state.dygraph_last_touch_page_x = 0;
+ },
+ touchmove: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchmove()');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.defaultInteractionModel.touchmove(event, dygraph, context);
+
+ state.dygraph_last_touch_move = Date.now();
+ },
+ touchend: function(event, dygraph, context) {
+ state.tmp.dygraph_mouse_down = false;
+
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchend()');
+
+ NETDATA.globalSelectionSync.stop();
+ NETDATA.globalSelectionSync.delay();
+
+ state.tmp.dygraph_user_action = true;
+ Dygraph.defaultInteractionModel.touchend(event, dygraph, context);
+
+ // if it didn't move, it is a selection
+ if(state.dygraph_last_touch_move === 0 && state.dygraph_last_touch_page_x !== 0) {
+ NETDATA.globalSelectionSync.dont_sync_before = 0;
+ NETDATA.globalSelectionSync.setMaster(state);
+
+ // internal api of dygraph
+ var pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w;
+ console.log('pct: ' + pct.toString());
+
+ var t = Math.round(state.view_after + (state.view_before - state.view_after) * pct);
+ if(NETDATA.dygraphSetSelection(state, t) === true) {
+ NETDATA.globalSelectionSync.sync(state, t);
+ }
+ }
+
+ // if it was double tap within double click time, reset the charts
+ var now = Date.now();
+ if(typeof state.dygraph_last_touch_end !== 'undefined') {
+ if(state.dygraph_last_touch_move === 0) {
+ var dt = now - state.dygraph_last_touch_end;
+ if(dt <= NETDATA.options.current.double_click_speed)
+ NETDATA.resetAllCharts(state);
+ }
+ }
+
+ // remember the timestamp of the last touch end
+ state.dygraph_last_touch_end = now;
+
+ // refresh all the charts immediately
+ NETDATA.options.auto_refresher_stop_until = 0;
+ }
+ }
+ };
+
+ if(NETDATA.chartLibraries.dygraph.isLogScale(state) === true) {
+ if(Array.isArray(state.tmp.dygraph_options.valueRange) && state.tmp.dygraph_options.valueRange[0] <= 0)
+ state.tmp.dygraph_options.valueRange[0] = null;
+ }
+
+ if(NETDATA.chartLibraries.dygraph.isSparkline(state) === true) {
+ state.tmp.dygraph_options.drawGrid = false;
+ state.tmp.dygraph_options.drawAxis = false;
+ state.tmp.dygraph_options.title = undefined;
+ state.tmp.dygraph_options.ylabel = undefined;
+ state.tmp.dygraph_options.yLabelWidth = 0;
+ //state.tmp.dygraph_options.labelsDivWidth = 120;
+ //state.tmp.dygraph_options.labelsDivStyles.width = '120px';
+ state.tmp.dygraph_options.labelsSeparateLines = true;
+ state.tmp.dygraph_options.rightGap = 0;
+ state.tmp.dygraph_options.yRangePad = 1;
+ state.tmp.dygraph_options.axes.x.drawAxis = false;
+ state.tmp.dygraph_options.axes.y.drawAxis = false;
+ }
+
+ if(smooth === true) {
+ state.tmp.dygraph_smooth_eligible = true;
+
+ if(NETDATA.options.current.smooth_plot === true)
+ state.tmp.dygraph_options.plotter = smoothPlotter;
+ }
+ else state.tmp.dygraph_smooth_eligible = false;
+
+ if(netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() === true && NETDATA.globalPanAndZoom.isMaster(state) === false) {
+ // pan and zoom on snapshots
+ state.tmp.dygraph_options.dateWindow = [ NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms ];
+ //state.tmp.dygraph_options.isZoomedIgnoreProgrammaticZoom = true;
+ }
+
+ state.tmp.dygraph_instance = new Dygraph(state.element_chart,
+ data.result.data, state.tmp.dygraph_options);
+
+ state.tmp.dygraph_force_zoom = false;
+ state.tmp.dygraph_user_action = false;
+ state.tmp.dygraph_last_rendered = Date.now();
+ state.tmp.dygraph_highlight_after = null;
+
+ if(state.tmp.dygraph_options.valueRange[0] === null && state.tmp.dygraph_options.valueRange[1] === null) {
+ if (typeof state.tmp.dygraph_instance.axes_[0].extremeRange !== 'undefined') {
+ state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null);
+ state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null);
+ }
+ else {
+ state.log('incompatible version of Dygraph detected');
+ state.tmp.__commonMin = null;
+ state.tmp.__commonMax = null;
+ }
+ }
+ else {
+ // if the user gave a valueRange, respect it
+ state.tmp.__commonMin = null;
+ state.tmp.__commonMax = null;
+ }
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // morris
+
+ NETDATA.morrisInitialize = function(callback) {
+ if(typeof netdataNoMorris === 'undefined' || !netdataNoMorris) {
+
+ // morris requires raphael
+ if(!NETDATA.chartLibraries.raphael.initialized) {
+ if(NETDATA.chartLibraries.raphael.enabled) {
+ NETDATA.raphaelInitialize(function() {
+ NETDATA.morrisInitialize(callback);
+ });
+ }
+ else {
+ NETDATA.chartLibraries.morris.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ }
+ else {
+ NETDATA._loadCSS(NETDATA.morris_css);
+
+ $.ajax({
+ url: NETDATA.morris_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('morris', NETDATA.morris_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.morris.enabled = false;
+ NETDATA.error(100, NETDATA.morris_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ }
+ else {
+ NETDATA.chartLibraries.morris.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.morrisChartUpdate = function(state, data) {
+ state.morris_instance.setData(data.result.data);
+ return true;
+ };
+
+ NETDATA.morrisChartCreate = function(state, data) {
+
+ state.morris_options = {
+ element: state.element_chart.id,
+ data: data.result.data,
+ xkey: 'time',
+ ykeys: data.dimension_names,
+ labels: data.dimension_names,
+ lineWidth: 2,
+ pointSize: 3,
+ smooth: true,
+ hideHover: 'auto',
+ parseTime: true,
+ continuousLine: false,
+ behaveLikeLine: false
+ };
+
+ if(state.chart.chart_type === 'line')
+ state.morris_instance = new Morris.Line(state.morris_options);
+
+ else if(state.chart.chart_type === 'area') {
+ state.morris_options.behaveLikeLine = true;
+ state.morris_instance = new Morris.Area(state.morris_options);
+ }
+ else // stacked
+ state.morris_instance = new Morris.Area(state.morris_options);
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // raphael
+
+ NETDATA.raphaelInitialize = function(callback) {
+ if(typeof netdataStopRaphael === 'undefined' || !netdataStopRaphael) {
+ $.ajax({
+ url: NETDATA.raphael_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.raphael.enabled = false;
+ NETDATA.error(100, NETDATA.raphael_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.raphael.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.raphaelChartUpdate = function(state, data) {
+ $(state.element_chart).raphael(data.result, {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ });
+
+ return false;
+ };
+
+ NETDATA.raphaelChartCreate = function(state, data) {
+ $(state.element_chart).raphael(data.result, {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ });
+
+ return false;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // C3
+
+ NETDATA.c3Initialize = function(callback) {
+ if(typeof netdataNoC3 === 'undefined' || !netdataNoC3) {
+
+ // C3 requires D3
+ if(!NETDATA.chartLibraries.d3.initialized) {
+ if(NETDATA.chartLibraries.d3.enabled) {
+ NETDATA.d3Initialize(function() {
+ NETDATA.c3Initialize(callback);
+ });
+ }
+ else {
+ NETDATA.chartLibraries.c3.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ }
+ else {
+ NETDATA._loadCSS(NETDATA.c3_css);
+
+ $.ajax({
+ url: NETDATA.c3_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('c3', NETDATA.c3_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.c3.enabled = false;
+ NETDATA.error(100, NETDATA.c3_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ }
+ else {
+ NETDATA.chartLibraries.c3.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.c3ChartUpdate = function(state, data) {
+ state.c3_instance.destroy();
+ return NETDATA.c3ChartCreate(state, data);
+
+ //state.c3_instance.load({
+ // rows: data.result,
+ // unload: true
+ //});
+
+ //return true;
+ };
+
+ NETDATA.c3ChartCreate = function(state, data) {
+
+ state.element_chart.id = 'c3-' + state.uuid;
+ // console.log('id = ' + state.element_chart.id);
+
+ state.c3_instance = c3.generate({
+ bindto: '#' + state.element_chart.id,
+ size: {
+ width: state.chartWidth(),
+ height: state.chartHeight()
+ },
+ color: {
+ pattern: state.chartColors()
+ },
+ data: {
+ x: 'time',
+ rows: data.result,
+ type: (state.chart.chart_type === 'line')?'spline':'area-spline'
+ },
+ axis: {
+ x: {
+ type: 'timeseries',
+ tick: {
+ format: function(x) {
+ return NETDATA.dateTime.xAxisTimeString(x);
+ }
+ }
+ }
+ },
+ grid: {
+ x: {
+ show: true
+ },
+ y: {
+ show: true
+ }
+ },
+ point: {
+ show: false
+ },
+ line: {
+ connectNull: false
+ },
+ transition: {
+ duration: 0
+ },
+ interaction: {
+ enabled: true
+ }
+ });
+
+ // console.log(state.c3_instance);
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // d3pie
+
+ NETDATA.d3pieInitialize = function(callback) {
+ if(typeof netdataNoD3pie === 'undefined' || !netdataNoD3pie) {
+
+ // d3pie requires D3
+ if(!NETDATA.chartLibraries.d3.initialized) {
+ if(NETDATA.chartLibraries.d3.enabled) {
+ NETDATA.d3Initialize(function() {
+ NETDATA.d3pieInitialize(callback);
+ });
+ }
+ else {
+ NETDATA.chartLibraries.d3pie.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ }
+ else {
+ $.ajax({
+ url: NETDATA.d3pie_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('d3pie', NETDATA.d3pie_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.d3pie.enabled = false;
+ NETDATA.error(100, NETDATA.d3pie_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ }
+ else {
+ NETDATA.chartLibraries.d3pie.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.d3pieSetContent = function(state, data, index) {
+ state.legendFormatValueDecimalsFromMinMax(
+ data.min,
+ data.max
+ );
+
+ var content = [];
+ var colors = state.chartColors();
+ var len = data.result.labels.length;
+ for(var i = 1; i < len ; i++) {
+ var label = data.result.labels[i];
+ var value = data.result.data[index][label];
+ var color = colors[i - 1];
+
+ if(value !== null && value > 0) {
+ content.push({
+ label: label,
+ value: value,
+ color: color
+ });
+ }
+ }
+
+ if(content.length === 0)
+ content.push({
+ label: 'no data',
+ value: 100,
+ color: '#666666'
+ });
+
+ state.tmp.d3pie_last_slot = index;
+ return content;
+ };
+
+ NETDATA.d3pieDateRange = function(state, data, index) {
+ var dt = Math.round((data.before - data.after + 1) / data.points);
+ var dt_str = NETDATA.seconds4human(dt);
+
+ var before = data.result.data[index].time;
+ var after = before - (dt * 1000);
+
+ var d1 = NETDATA.dateTime.localeDateString(after);
+ var t1 = NETDATA.dateTime.localeTimeString(after);
+ var d2 = NETDATA.dateTime.localeDateString(before);
+ var t2 = NETDATA.dateTime.localeTimeString(before);
+
+ if(d1 === d2)
+ return d1 + ' ' + t1 + ' to ' + t2 + ', ' + dt_str;
+
+ return d1 + ' ' + t1 + ' to ' + d2 + ' ' + t2 + ', ' + dt_str;
+ };
+
+ NETDATA.d3pieSetSelection = function(state, t) {
+ if(state.timeIsVisible(t) !== true)
+ return NETDATA.d3pieClearSelection(state, true);
+
+ var slot = state.calculateRowForTime(t);
+ slot = state.data.result.data.length - slot - 1;
+
+ if(slot < 0 || slot >= state.data.result.length)
+ return NETDATA.d3pieClearSelection(state, true);
+
+ if(state.tmp.d3pie_last_slot === slot) {
+ // we already show this slot, don't do anything
+ return true;
+ }
+
+ if(state.tmp.d3pie_timer === undefined) {
+ state.tmp.d3pie_timer = NETDATA.timeout.set(function() {
+ state.tmp.d3pie_timer = undefined;
+ NETDATA.d3pieChange(state, NETDATA.d3pieSetContent(state, state.data, slot), NETDATA.d3pieDateRange(state, state.data, slot));
+ }, 0);
+ }
+
+ return true;
+ };
+
+ NETDATA.d3pieClearSelection = function(state, force) {
+ if(typeof state.tmp.d3pie_timer !== 'undefined') {
+ NETDATA.timeout.clear(state.tmp.d3pie_timer);
+ state.tmp.d3pie_timer = undefined;
+ }
+
+ if(state.isAutoRefreshable() === true && state.data !== null && force !== true) {
+ NETDATA.d3pieChartUpdate(state, state.data);
+ }
+ else {
+ if(state.tmp.d3pie_last_slot !== -1) {
+ state.tmp.d3pie_last_slot = -1;
+ NETDATA.d3pieChange(state, [{label: 'no data', value: 1, color: '#666666'}], 'no data available');
+ }
+ }
+
+ return true;
+ };
+
+ NETDATA.d3pieChange = function(state, content, footer) {
+ if(state.d3pie_forced_subtitle === null) {
+ //state.d3pie_instance.updateProp("header.subtitle.text", state.units_current);
+ state.d3pie_instance.options.header.subtitle.text = state.units_current;
+ }
+
+ if(state.d3pie_forced_footer === null) {
+ //state.d3pie_instance.updateProp("footer.text", footer);
+ state.d3pie_instance.options.footer.text = footer;
+ }
+
+ //state.d3pie_instance.updateProp("data.content", content);
+ state.d3pie_instance.options.data.content = content;
+ state.d3pie_instance.destroy();
+ state.d3pie_instance.recreate();
+ return true;
+ };
+
+ NETDATA.d3pieChartUpdate = function(state, data) {
+ return NETDATA.d3pieChange(state, NETDATA.d3pieSetContent(state, data, 0), NETDATA.d3pieDateRange(state, data, 0));
+ };
+
+ NETDATA.d3pieChartCreate = function(state, data) {
+
+ state.element_chart.id = 'd3pie-' + state.uuid;
+ // console.log('id = ' + state.element_chart.id);
+
+ var content = NETDATA.d3pieSetContent(state, data, 0);
+
+ state.d3pie_forced_title = NETDATA.dataAttribute(state.element, 'd3pie-title', null);
+ state.d3pie_forced_subtitle = NETDATA.dataAttribute(state.element, 'd3pie-subtitle', null);
+ state.d3pie_forced_footer = NETDATA.dataAttribute(state.element, 'd3pie-footer', null);
+
+ state.d3pie_options = {
+ header: {
+ title: {
+ text: (state.d3pie_forced_title !== null) ? state.d3pie_forced_title : state.title,
+ color: NETDATA.dataAttribute(state.element, 'd3pie-title-color', NETDATA.themes.current.d3pie.title),
+ fontSize: NETDATA.dataAttribute(state.element, 'd3pie-title-fontsize', 12),
+ fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-title-fontweight', "bold"),
+ font: NETDATA.dataAttribute(state.element, 'd3pie-title-font', "arial")
+ },
+ subtitle: {
+ text: (state.d3pie_forced_subtitle !== null) ? state.d3pie_forced_subtitle : state.units_current,
+ color: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-color', NETDATA.themes.current.d3pie.subtitle),
+ fontSize: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-fontsize', 10),
+ fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-fontweight', "normal"),
+ font: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-font', "arial")
+ },
+ titleSubtitlePadding: 1
+ },
+ footer: {
+ text: (state.d3pie_forced_footer !== null) ? state.d3pie_forced_footer : NETDATA.d3pieDateRange(state, data, 0),
+ color: NETDATA.dataAttribute(state.element, 'd3pie-footer-color', NETDATA.themes.current.d3pie.footer),
+ fontSize: NETDATA.dataAttribute(state.element, 'd3pie-footer-fontsize', 9),
+ fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-footer-fontweight', "bold"),
+ font: NETDATA.dataAttribute(state.element, 'd3pie-footer-font', "arial"),
+ location: NETDATA.dataAttribute(state.element, 'd3pie-footer-location', "bottom-center") // bottom-left, bottom-center, bottom-right
+ },
+ size: {
+ canvasHeight: state.chartHeight(),
+ canvasWidth: state.chartWidth(),
+ pieInnerRadius: NETDATA.dataAttribute(state.element, 'd3pie-pieinnerradius', "45%"),
+ pieOuterRadius: NETDATA.dataAttribute(state.element, 'd3pie-pieouterradius', "80%")
+ },
+ data: {
+ // none, random, value-asc, value-desc, label-asc, label-desc
+ sortOrder: NETDATA.dataAttribute(state.element, 'd3pie-sortorder', "value-desc"),
+ smallSegmentGrouping: {
+ enabled: NETDATA.dataAttributeBoolean(state.element, "d3pie-smallsegmentgrouping-enabled", false),
+ value: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-value', 1),
+ // percentage, value
+ valueType: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-valuetype', "percentage"),
+ label: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-label', "other"),
+ color: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-color', NETDATA.themes.current.d3pie.other)
+ },
+
+ // REQUIRED! This is where you enter your pie data; it needs to be an array of objects
+ // of this form: { label: "label", value: 1.5, color: "#000000" } - color is optional
+ content: content
+ },
+ labels: {
+ outer: {
+ // label, value, percentage, label-value1, label-value2, label-percentage1, label-percentage2
+ format: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-format', "label-value1"),
+ hideWhenLessThanPercentage: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-hidewhenlessthanpercentage', null),
+ pieDistance: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-piedistance', 15)
+ },
+ inner: {
+ // label, value, percentage, label-value1, label-value2, label-percentage1, label-percentage2
+ format: NETDATA.dataAttribute(state.element, 'd3pie-labels-inner-format', "percentage"),
+ hideWhenLessThanPercentage: NETDATA.dataAttribute(state.element, 'd3pie-labels-inner-hidewhenlessthanpercentage', 2)
+ },
+ mainLabel: {
+ color: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-color', NETDATA.themes.current.d3pie.mainlabel), // or 'segment' for dynamic color
+ font: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-font', "arial"),
+ fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-fontsize', 10),
+ fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-fontweight', "normal")
+ },
+ percentage: {
+ color: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-color', NETDATA.themes.current.d3pie.percentage),
+ font: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-font', "arial"),
+ fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-fontsize', 10),
+ fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-fontweight', "bold"),
+ decimalPlaces: 0
+ },
+ value: {
+ color: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-color', NETDATA.themes.current.d3pie.value),
+ font: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-font', "arial"),
+ fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-fontsize', 10),
+ fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-fontweight', "bold")
+ },
+ lines: {
+ enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-labels-lines-enabled', true),
+ style: NETDATA.dataAttribute(state.element, 'd3pie-labels-lines-style', "curved"),
+ color: NETDATA.dataAttribute(state.element, 'd3pie-labels-lines-color', "segment") // "segment" or a hex color
+ },
+ truncation: {
+ enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-labels-truncation-enabled', false),
+ truncateLength: NETDATA.dataAttribute(state.element, 'd3pie-labels-truncation-truncatelength', 30)
+ },
+ formatter: function(context) {
+ // console.log(context);
+ if(context.part === 'value')
+ return state.legendFormatValue(context.value);
+ if(context.part === 'percentage')
+ return context.label + '%';
+
+ return context.label;
+ }
+ },
+ effects: {
+ load: {
+ effect: "none", // none / default
+ speed: 0 // commented in the d3pie code to speed it up
+ },
+ pullOutSegmentOnClick: {
+ effect: "bounce", // none / linear / bounce / elastic / back
+ speed: 400,
+ size: 5
+ },
+ highlightSegmentOnMouseover: true,
+ highlightLuminosity: -0.2
+ },
+ tooltips: {
+ enabled: false,
+ type: "placeholder", // caption|placeholder
+ string: "",
+ placeholderParser: null, // function
+ styles: {
+ fadeInSpeed: 250,
+ backgroundColor: NETDATA.themes.current.d3pie.tooltip_bg,
+ backgroundOpacity: 0.5,
+ color: NETDATA.themes.current.d3pie.tooltip_fg,
+ borderRadius: 2,
+ font: "arial",
+ fontSize: 12,
+ padding: 4
+ }
+ },
+ misc: {
+ colors: {
+ background: 'transparent', // transparent or color #
+ // segments: state.chartColors(),
+ segmentStroke: NETDATA.dataAttribute(state.element, 'd3pie-misc-colors-segmentstroke', NETDATA.themes.current.d3pie.segment_stroke)
+ },
+ gradient: {
+ enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-misc-gradient-enabled', false),
+ percentage: NETDATA.dataAttribute(state.element, 'd3pie-misc-colors-percentage', 95),
+ color: NETDATA.dataAttribute(state.element, 'd3pie-misc-gradient-color', NETDATA.themes.current.d3pie.gradient_color)
+ },
+ canvasPadding: {
+ top: 5,
+ right: 5,
+ bottom: 5,
+ left: 5
+ },
+ pieCenterOffset: {
+ x: 0,
+ y: 0
+ },
+ cssPrefix: NETDATA.dataAttribute(state.element, 'd3pie-cssprefix', null)
+ },
+ callbacks: {
+ onload: null,
+ onMouseoverSegment: null,
+ onMouseoutSegment: null,
+ onClickSegment: null
+ }
+ };
+
+ state.d3pie_instance = new d3pie(state.element_chart, state.d3pie_options);
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // D3
+
+ NETDATA.d3Initialize = function(callback) {
+ if(typeof netdataStopD3 === 'undefined' || !netdataStopD3) {
+ $.ajax({
+ url: NETDATA.d3_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('d3', NETDATA.d3_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.d3.enabled = false;
+ NETDATA.error(100, NETDATA.d3_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.d3.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.d3ChartUpdate = function(state, data) {
+ void(state);
+ void(data);
+
+ return false;
+ };
+
+ NETDATA.d3ChartCreate = function(state, data) {
+ void(state);
+ void(data);
+
+ return false;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // google charts
+
+ NETDATA.googleInitialize = function(callback) {
+ if(typeof netdataNoGoogleCharts === 'undefined' || !netdataNoGoogleCharts) {
+ $.ajax({
+ url: NETDATA.google_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('google', NETDATA.google_js);
+ google.load('visualization', '1.1', {
+ 'packages': ['corechart', 'controls'],
+ 'callback': callback
+ });
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.google.enabled = false;
+ NETDATA.error(100, NETDATA.google_js);
+ if(typeof callback === "function")
+ return callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.google.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.googleChartUpdate = function(state, data) {
+ var datatable = new google.visualization.DataTable(data.result);
+ state.google_instance.draw(datatable, state.google_options);
+ return true;
+ };
+
+ NETDATA.googleChartCreate = function(state, data) {
+ var datatable = new google.visualization.DataTable(data.result);
+
+ state.google_options = {
+ colors: state.chartColors(),
+
+ // do not set width, height - the chart resizes itself
+ //width: state.chartWidth(),
+ //height: state.chartHeight(),
+ lineWidth: 1,
+ title: state.title,
+ fontSize: 11,
+ hAxis: {
+ // title: "Time of Day",
+ // format:'HH:mm:ss',
+ viewWindowMode: 'maximized',
+ slantedText: false,
+ format:'HH:mm:ss',
+ textStyle: {
+ fontSize: 9
+ },
+ gridlines: {
+ color: '#EEE'
+ }
+ },
+ vAxis: {
+ title: state.units_current,
+ viewWindowMode: 'pretty',
+ minValue: -0.1,
+ maxValue: 0.1,
+ direction: 1,
+ textStyle: {
+ fontSize: 9
+ },
+ gridlines: {
+ color: '#EEE'
+ }
+ },
+ chartArea: {
+ width: '65%',
+ height: '80%'
+ },
+ focusTarget: 'category',
+ annotation: {
+ '1': {
+ style: 'line'
+ }
+ },
+ pointsVisible: 0,
+ titlePosition: 'out',
+ titleTextStyle: {
+ fontSize: 11
+ },
+ tooltip: {
+ isHtml: false,
+ ignoreBounds: true,
+ textStyle: {
+ fontSize: 9
+ }
+ },
+ curveType: 'function',
+ areaOpacity: 0.3,
+ isStacked: false
+ };
+
+ switch(state.chart.chart_type) {
+ case "area":
+ state.google_options.vAxis.viewWindowMode = 'maximized';
+ state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_area;
+ state.google_instance = new google.visualization.AreaChart(state.element_chart);
+ break;
+
+ case "stacked":
+ state.google_options.isStacked = true;
+ state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_stacked;
+ state.google_options.vAxis.viewWindowMode = 'maximized';
+ state.google_options.vAxis.minValue = null;
+ state.google_options.vAxis.maxValue = null;
+ state.google_instance = new google.visualization.AreaChart(state.element_chart);
+ break;
+
+ default:
+ case "line":
+ state.google_options.lineWidth = 2;
+ state.google_instance = new google.visualization.LineChart(state.element_chart);
+ break;
+ }
+
+ state.google_instance.draw(datatable, state.google_options);
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ NETDATA.easypiechartPercentFromValueMinMax = function(state, value, min, max) {
+ if(typeof value !== 'number') value = 0;
+ if(typeof min !== 'number') min = 0;
+ if(typeof max !== 'number') max = 0;
+
+ if(min > max) {
+ var t = min;
+ min = max;
+ max = t;
+ }
+
+ if(min > value) min = value;
+ if(max < value) max = value;
+
+ state.legendFormatValueDecimalsFromMinMax(min, max);
+
+ if(state.tmp.easyPieChartMin === null && min > 0) min = 0;
+ if(state.tmp.easyPieChartMax === null && max < 0) max = 0;
+
+ var pcent;
+
+ if(min < 0 && max > 0) {
+ // it is both positive and negative
+ // zero at the top center of the chart
+ max = (-min > max)? -min : max;
+ pcent = Math.round(value * 100 / max);
+ }
+ else if(value >= 0 && min >= 0 && max >= 0) {
+ // clockwise
+ pcent = Math.round((value - min) * 100 / (max - min));
+ if(pcent === 0) pcent = 0.1;
+ }
+ else {
+ // counter clockwise
+ pcent = Math.round((value - max) * 100 / (max - min));
+ if(pcent === 0) pcent = -0.1;
+ }
+
+ return pcent;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // easy-pie-chart
+
+ NETDATA.easypiechartInitialize = function(callback) {
+ if(typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) {
+ $.ajax({
+ url: NETDATA.easypiechart_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('easypiechart', NETDATA.easypiechart_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.easypiechart.enabled = false;
+ NETDATA.error(100, NETDATA.easypiechart_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ })
+ }
+ else {
+ NETDATA.chartLibraries.easypiechart.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.easypiechartClearSelection = function(state, force) {
+ if(typeof state.tmp.easyPieChartEvent !== 'undefined' && typeof state.tmp.easyPieChartEvent.timer !== 'undefined') {
+ NETDATA.timeout.clear(state.tmp.easyPieChartEvent.timer);
+ state.tmp.easyPieChartEvent.timer = undefined;
+ }
+
+ if(state.isAutoRefreshable() === true && state.data !== null && force !== true) {
+ NETDATA.easypiechartChartUpdate(state, state.data);
+ }
+ else {
+ state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(null);
+ state.tmp.easyPieChart_instance.update(0);
+ }
+ state.tmp.easyPieChart_instance.enableAnimation();
+
+ return true;
+ };
+
+ NETDATA.easypiechartSetSelection = function(state, t) {
+ if(state.timeIsVisible(t) !== true)
+ return NETDATA.easypiechartClearSelection(state, true);
+
+ var slot = state.calculateRowForTime(t);
+ if(slot < 0 || slot >= state.data.result.length)
+ return NETDATA.easypiechartClearSelection(state, true);
+
+ if(typeof state.tmp.easyPieChartEvent === 'undefined') {
+ state.tmp.easyPieChartEvent = {
+ timer: undefined,
+ value: 0,
+ pcent: 0
+ };
+ }
+
+ var value = state.data.result[state.data.result.length - 1 - slot];
+ var min = (state.tmp.easyPieChartMin === null)?NETDATA.commonMin.get(state):state.tmp.easyPieChartMin;
+ var max = (state.tmp.easyPieChartMax === null)?NETDATA.commonMax.get(state):state.tmp.easyPieChartMax;
+ var pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max);
+
+ state.tmp.easyPieChartEvent.value = value;
+ state.tmp.easyPieChartEvent.pcent = pcent;
+ state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value);
+
+ if(state.tmp.easyPieChartEvent.timer === undefined) {
+ state.tmp.easyPieChart_instance.disableAnimation();
+
+ state.tmp.easyPieChartEvent.timer = NETDATA.timeout.set(function() {
+ state.tmp.easyPieChartEvent.timer = undefined;
+ state.tmp.easyPieChart_instance.update(state.tmp.easyPieChartEvent.pcent);
+ }, 0);
+ }
+
+ return true;
+ };
+
+ NETDATA.easypiechartChartUpdate = function(state, data) {
+ var value, min, max, pcent;
+
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshable() === false) {
+ value = null;
+ pcent = 0;
+ }
+ else {
+ value = data.result[0];
+ min = (state.tmp.easyPieChartMin === null)?NETDATA.commonMin.get(state):state.tmp.easyPieChartMin;
+ max = (state.tmp.easyPieChartMax === null)?NETDATA.commonMax.get(state):state.tmp.easyPieChartMax;
+ pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max);
+ }
+
+ state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value);
+ state.tmp.easyPieChart_instance.update(pcent);
+ return true;
+ };
+
+ NETDATA.easypiechartChartCreate = function(state, data) {
+ var chart = $(state.element_chart);
+
+ var value = data.result[0];
+ var min = NETDATA.dataAttribute(state.element, 'easypiechart-min-value', null);
+ var max = NETDATA.dataAttribute(state.element, 'easypiechart-max-value', null);
+
+ if(min === null) {
+ min = NETDATA.commonMin.get(state);
+ state.tmp.easyPieChartMin = null;
+ }
+ else
+ state.tmp.easyPieChartMin = min;
+
+ if(max === null) {
+ max = NETDATA.commonMax.get(state);
+ state.tmp.easyPieChartMax = null;
+ }
+ else
+ state.tmp.easyPieChartMax = max;
+
+ var size = state.chartWidth();
+ var stroke = Math.floor(size / 22);
+ if(stroke < 3) stroke = 2;
+
+ var valuefontsize = Math.floor((size * 2 / 3) / 5);
+ var valuetop = Math.round((size - valuefontsize - (size / 40)) / 2);
+ state.tmp.easyPieChartLabel = document.createElement('span');
+ state.tmp.easyPieChartLabel.className = 'easyPieChartLabel';
+ state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value);
+ state.tmp.easyPieChartLabel.style.fontSize = valuefontsize + 'px';
+ state.tmp.easyPieChartLabel.style.top = valuetop.toString() + 'px';
+ state.element_chart.appendChild(state.tmp.easyPieChartLabel);
+
+ var titlefontsize = Math.round(valuefontsize * 1.6 / 3);
+ var titletop = Math.round(valuetop - (titlefontsize * 2) - (size / 40));
+ state.tmp.easyPieChartTitle = document.createElement('span');
+ state.tmp.easyPieChartTitle.className = 'easyPieChartTitle';
+ state.tmp.easyPieChartTitle.innerText = state.title;
+ state.tmp.easyPieChartTitle.style.fontSize = titlefontsize + 'px';
+ state.tmp.easyPieChartTitle.style.lineHeight = titlefontsize + 'px';
+ state.tmp.easyPieChartTitle.style.top = titletop.toString() + 'px';
+ state.element_chart.appendChild(state.tmp.easyPieChartTitle);
+
+ var unitfontsize = Math.round(titlefontsize * 0.9);
+ var unittop = Math.round(valuetop + (valuefontsize + unitfontsize) + (size / 40));
+ state.tmp.easyPieChartUnits = document.createElement('span');
+ state.tmp.easyPieChartUnits.className = 'easyPieChartUnits';
+ state.tmp.easyPieChartUnits.innerText = state.units_current;
+ state.tmp.easyPieChartUnits.style.fontSize = unitfontsize + 'px';
+ state.tmp.easyPieChartUnits.style.top = unittop.toString() + 'px';
+ state.element_chart.appendChild(state.tmp.easyPieChartUnits);
+
+ var barColor = NETDATA.dataAttribute(state.element, 'easypiechart-barcolor', undefined);
+ if(typeof barColor === 'undefined' || barColor === null)
+ barColor = state.chartCustomColors()[0];
+ else {
+ // <div ... data-easypiechart-barcolor="(function(percent){return(percent < 50 ? '#5cb85c' : percent < 85 ? '#f0ad4e' : '#cb3935');})" ...></div>
+ var tmp = eval(barColor);
+ if(typeof tmp === 'function')
+ barColor = tmp;
+ }
+
+ var pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max);
+ chart.data('data-percent', pcent);
+
+ chart.easyPieChart({
+ barColor: barColor,
+ trackColor: NETDATA.dataAttribute(state.element, 'easypiechart-trackcolor', NETDATA.themes.current.easypiechart_track),
+ scaleColor: NETDATA.dataAttribute(state.element, 'easypiechart-scalecolor', NETDATA.themes.current.easypiechart_scale),
+ scaleLength: NETDATA.dataAttribute(state.element, 'easypiechart-scalelength', 5),
+ lineCap: NETDATA.dataAttribute(state.element, 'easypiechart-linecap', 'round'),
+ lineWidth: NETDATA.dataAttribute(state.element, 'easypiechart-linewidth', stroke),
+ trackWidth: NETDATA.dataAttribute(state.element, 'easypiechart-trackwidth', undefined),
+ size: NETDATA.dataAttribute(state.element, 'easypiechart-size', size),
+ rotate: NETDATA.dataAttribute(state.element, 'easypiechart-rotate', 0),
+ animate: NETDATA.dataAttribute(state.element, 'easypiechart-animate', {duration: 500, enabled: true}),
+ easing: NETDATA.dataAttribute(state.element, 'easypiechart-easing', undefined)
+ });
+
+ // when we just re-create the chart
+ // do not animate the first update
+ var animate = true;
+ if(typeof state.tmp.easyPieChart_instance !== 'undefined')
+ animate = false;
+
+ state.tmp.easyPieChart_instance = chart.data('easyPieChart');
+ if(animate === false) state.tmp.easyPieChart_instance.disableAnimation();
+ state.tmp.easyPieChart_instance.update(pcent);
+ if(animate === false) state.tmp.easyPieChart_instance.enableAnimation();
+
+ state.legendSetUnitsString = function(units) {
+ if(typeof state.tmp.easyPieChartUnits !== 'undefined' && state.tmp.units !== units) {
+ state.tmp.easyPieChartUnits.innerText = units;
+ state.tmp.units = units;
+ }
+ };
+ state.legendShowUndefined = function() {
+ if(typeof state.tmp.easyPieChart_instance !== 'undefined')
+ NETDATA.easypiechartClearSelection(state);
+ };
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // gauge.js
+
+ NETDATA.gaugeInitialize = function(callback) {
+ if(typeof netdataNoGauge === 'undefined' || !netdataNoGauge) {
+ $.ajax({
+ url: NETDATA.gauge_js,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ NETDATA.registerChartLibrary('gauge', NETDATA.gauge_js);
+ })
+ .fail(function() {
+ NETDATA.chartLibraries.gauge.enabled = false;
+ NETDATA.error(100, NETDATA.gauge_js);
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ return callback();
+ })
+ }
+ else {
+ NETDATA.chartLibraries.gauge.enabled = false;
+ if(typeof callback === "function")
+ return callback();
+ }
+ };
+
+ NETDATA.gaugeAnimation = function(state, status) {
+ var speed = 32;
+
+ if(typeof status === 'boolean' && status === false)
+ speed = 1000000000;
+ else if(typeof status === 'number')
+ speed = status;
+
+ // console.log('gauge speed ' + speed);
+ state.tmp.gauge_instance.animationSpeed = speed;
+ state.tmp.___gaugeOld__.speed = speed;
+ };
+
+ NETDATA.gaugeSet = function(state, value, min, max) {
+ if(typeof value !== 'number') value = 0;
+ if(typeof min !== 'number') min = 0;
+ if(typeof max !== 'number') max = 0;
+ if(value > max) max = value;
+ if(value < min) min = value;
+ if(min > max) {
+ var t = min;
+ min = max;
+ max = t;
+ }
+ else if(min === max)
+ max = min + 1;
+
+ state.legendFormatValueDecimalsFromMinMax(min, max);
+
+ // gauge.js has an issue if the needle
+ // is smaller than min or larger than max
+ // when we set the new values
+ // the needle will go crazy
+
+ // to prevent it, we always feed it
+ // with a percentage, so that the needle
+ // is always between min and max
+ var pcent = (value - min) * 100 / (max - min);
+
+ // bug fix for gauge.js 1.3.1
+ // if the value is the absolute min or max, the chart is broken
+ if(pcent < 0.001) pcent = 0.001;
+ if(pcent > 99.999) pcent = 99.999;
+
+ state.tmp.gauge_instance.set(pcent);
+ // console.log('gauge set ' + pcent + ', value ' + value + ', min ' + min + ', max ' + max);
+
+ state.tmp.___gaugeOld__.value = value;
+ state.tmp.___gaugeOld__.min = min;
+ state.tmp.___gaugeOld__.max = max;
+ };
+
+ NETDATA.gaugeSetLabels = function(state, value, min, max) {
+ if(state.tmp.___gaugeOld__.valueLabel !== value) {
+ state.tmp.___gaugeOld__.valueLabel = value;
+ state.tmp.gaugeChartLabel.innerText = state.legendFormatValue(value);
+ }
+ if(state.tmp.___gaugeOld__.minLabel !== min) {
+ state.tmp.___gaugeOld__.minLabel = min;
+ state.tmp.gaugeChartMin.innerText = state.legendFormatValue(min);
+ }
+ if(state.tmp.___gaugeOld__.maxLabel !== max) {
+ state.tmp.___gaugeOld__.maxLabel = max;
+ state.tmp.gaugeChartMax.innerText = state.legendFormatValue(max);
+ }
+ };
+
+ NETDATA.gaugeClearSelection = function(state, force) {
+ if(typeof state.tmp.gaugeEvent !== 'undefined' && typeof state.tmp.gaugeEvent.timer !== 'undefined') {
+ NETDATA.timeout.clear(state.tmp.gaugeEvent.timer);
+ state.tmp.gaugeEvent.timer = undefined;
+ }
+
+ if(state.isAutoRefreshable() === true && state.data !== null && force !== true) {
+ NETDATA.gaugeChartUpdate(state, state.data);
+ }
+ else {
+ NETDATA.gaugeAnimation(state, false);
+ NETDATA.gaugeSetLabels(state, null, null, null);
+ NETDATA.gaugeSet(state, null, null, null);
+ }
+
+ NETDATA.gaugeAnimation(state, true);
+ return true;
+ };
+
+ NETDATA.gaugeSetSelection = function(state, t) {
+ if(state.timeIsVisible(t) !== true)
+ return NETDATA.gaugeClearSelection(state, true);
+
+ var slot = state.calculateRowForTime(t);
+ if(slot < 0 || slot >= state.data.result.length)
+ return NETDATA.gaugeClearSelection(state, true);
+
+ if(typeof state.tmp.gaugeEvent === 'undefined') {
+ state.tmp.gaugeEvent = {
+ timer: undefined,
+ value: 0,
+ min: 0,
+ max: 0
+ };
+ }
+
+ var value = state.data.result[state.data.result.length - 1 - slot];
+ var min = (state.tmp.gaugeMin === null)?NETDATA.commonMin.get(state):state.tmp.gaugeMin;
+ var max = (state.tmp.gaugeMax === null)?NETDATA.commonMax.get(state):state.tmp.gaugeMax;
+
+ // make sure it is zero based
+ // but only if it has not been set by the user
+ if(state.tmp.gaugeMin === null && min > 0) min = 0;
+ if(state.tmp.gaugeMax === null && max < 0) max = 0;
+
+ state.tmp.gaugeEvent.value = value;
+ state.tmp.gaugeEvent.min = min;
+ state.tmp.gaugeEvent.max = max;
+ NETDATA.gaugeSetLabels(state, value, min, max);
+
+ if(state.tmp.gaugeEvent.timer === undefined) {
+ NETDATA.gaugeAnimation(state, false);
+
+ state.tmp.gaugeEvent.timer = NETDATA.timeout.set(function() {
+ state.tmp.gaugeEvent.timer = undefined;
+ NETDATA.gaugeSet(state, state.tmp.gaugeEvent.value, state.tmp.gaugeEvent.min, state.tmp.gaugeEvent.max);
+ }, 0);
+ }
+
+ return true;
+ };
+
+ NETDATA.gaugeChartUpdate = function(state, data) {
+ var value, min, max;
+
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshable() === false) {
+ NETDATA.gaugeSetLabels(state, null, null, null);
+ state.tmp.gauge_instance.set(0);
+ }
+ else {
+ value = data.result[0];
+ min = (state.tmp.gaugeMin === null)?NETDATA.commonMin.get(state):state.tmp.gaugeMin;
+ max = (state.tmp.gaugeMax === null)?NETDATA.commonMax.get(state):state.tmp.gaugeMax;
+ if(value < min) min = value;
+ if(value > max) max = value;
+
+ // make sure it is zero based
+ // but only if it has not been set by the user
+ if(state.tmp.gaugeMin === null && min > 0) min = 0;
+ if(state.tmp.gaugeMax === null && max < 0) max = 0;
+
+ NETDATA.gaugeSet(state, value, min, max);
+ NETDATA.gaugeSetLabels(state, value, min, max);
+ }
+
+ return true;
+ };
+
+ NETDATA.gaugeChartCreate = function(state, data) {
+ // var chart = $(state.element_chart);
+
+ var value = data.result[0];
+ var min = NETDATA.dataAttribute(state.element, 'gauge-min-value', null);
+ var max = NETDATA.dataAttribute(state.element, 'gauge-max-value', null);
+ // var adjust = NETDATA.dataAttribute(state.element, 'gauge-adjust', null);
+ var pointerColor = NETDATA.dataAttribute(state.element, 'gauge-pointer-color', NETDATA.themes.current.gauge_pointer);
+ var strokeColor = NETDATA.dataAttribute(state.element, 'gauge-stroke-color', NETDATA.themes.current.gauge_stroke);
+ var startColor = NETDATA.dataAttribute(state.element, 'gauge-start-color', state.chartCustomColors()[0]);
+ var stopColor = NETDATA.dataAttribute(state.element, 'gauge-stop-color', void 0);
+ var generateGradient = NETDATA.dataAttribute(state.element, 'gauge-generate-gradient', false);
+
+ if(min === null) {
+ min = NETDATA.commonMin.get(state);
+ state.tmp.gaugeMin = null;
+ }
+ else
+ state.tmp.gaugeMin = min;
+
+ if(max === null) {
+ max = NETDATA.commonMax.get(state);
+ state.tmp.gaugeMax = null;
+ }
+ else
+ state.tmp.gaugeMax = max;
+
+ // make sure it is zero based
+ // but only if it has not been set by the user
+ if(state.tmp.gaugeMin === null && min > 0) min = 0;
+ if(state.tmp.gaugeMax === null && max < 0) max = 0;
+
+ var width = state.chartWidth(), height = state.chartHeight(); //, ratio = 1.5;
+ // console.log('gauge width: ' + width.toString() + ', height: ' + height.toString());
+ //switch(adjust) {
+ // case 'width': width = height * ratio; break;
+ // case 'height':
+ // default: height = width / ratio; break;
+ //}
+ //state.element.style.width = width.toString() + 'px';
+ //state.element.style.height = height.toString() + 'px';
+
+ var lum_d = 0.05;
+
+ var options = {
+ lines: 12, // The number of lines to draw
+ angle: 0.14, // The span of the gauge arc
+ lineWidth: 0.57, // The line thickness
+ radiusScale: 1.0, // Relative radius
+ pointer: {
+ length: 0.85, // 0.9 The radius of the inner circle
+ strokeWidth: 0.045, // The rotation offset
+ color: pointerColor // Fill color
+ },
+ limitMax: true, // If false, the max value of the gauge will be updated if value surpass max
+ limitMin: true, // If true, the min value of the gauge will be fixed unless you set it manually
+ colorStart: startColor, // Colors
+ colorStop: stopColor, // just experiment with them
+ strokeColor: strokeColor, // to see which ones work best for you
+ generateGradient: (generateGradient === true),
+ gradientType: 0,
+ highDpiSupport: true // High resolution support
+ };
+
+ if (generateGradient.constructor === Array) {
+ // example options:
+ // data-gauge-generate-gradient="[0, 50, 100]"
+ // data-gauge-gradient-percent-color-0="#FFFFFF"
+ // data-gauge-gradient-percent-color-50="#999900"
+ // data-gauge-gradient-percent-color-100="#000000"
+
+ options.percentColors = [];
+ var len = generateGradient.length;
+ while(len--) {
+ var pcent = generateGradient[len];
+ var color = NETDATA.dataAttribute(state.element, 'gauge-gradient-percent-color-' + pcent.toString(), false);
+ if(color !== false) {
+ var a = [];
+ a[0] = pcent / 100;
+ a[1] = color;
+ options.percentColors.unshift(a);
+ }
+ }
+ if(options.percentColors.length === 0)
+ delete options.percentColors;
+ }
+ else if(generateGradient === false && NETDATA.themes.current.gauge_gradient === true) {
+ //noinspection PointlessArithmeticExpressionJS
+ options.percentColors = [
+ [0.0, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 0))],
+ [0.1, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 1))],
+ [0.2, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 2))],
+ [0.3, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 3))],
+ [0.4, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 4))],
+ [0.5, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 5))],
+ [0.6, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 6))],
+ [0.7, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 7))],
+ [0.8, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 8))],
+ [0.9, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 9))],
+ [1.0, NETDATA.colorLuminance(startColor, 0.0)]];
+ }
+
+ state.tmp.gauge_canvas = document.createElement('canvas');
+ state.tmp.gauge_canvas.id = 'gauge-' + state.uuid + '-canvas';
+ state.tmp.gauge_canvas.className = 'gaugeChart';
+ state.tmp.gauge_canvas.width = width;
+ state.tmp.gauge_canvas.height = height;
+ state.element_chart.appendChild(state.tmp.gauge_canvas);
+
+ var valuefontsize = Math.floor(height / 5);
+ var valuetop = Math.round((height - valuefontsize) / 3.2);
+ state.tmp.gaugeChartLabel = document.createElement('span');
+ state.tmp.gaugeChartLabel.className = 'gaugeChartLabel';
+ state.tmp.gaugeChartLabel.style.fontSize = valuefontsize + 'px';
+ state.tmp.gaugeChartLabel.style.top = valuetop.toString() + 'px';
+ state.element_chart.appendChild(state.tmp.gaugeChartLabel);
+
+ var titlefontsize = Math.round(valuefontsize / 2.1);
+ var titletop = 0;
+ state.tmp.gaugeChartTitle = document.createElement('span');
+ state.tmp.gaugeChartTitle.className = 'gaugeChartTitle';
+ state.tmp.gaugeChartTitle.innerText = state.title;
+ state.tmp.gaugeChartTitle.style.fontSize = titlefontsize + 'px';
+ state.tmp.gaugeChartTitle.style.lineHeight = titlefontsize + 'px';
+ state.tmp.gaugeChartTitle.style.top = titletop.toString() + 'px';
+ state.element_chart.appendChild(state.tmp.gaugeChartTitle);
+
+ var unitfontsize = Math.round(titlefontsize * 0.9);
+ state.tmp.gaugeChartUnits = document.createElement('span');
+ state.tmp.gaugeChartUnits.className = 'gaugeChartUnits';
+ state.tmp.gaugeChartUnits.innerText = state.units_current;
+ state.tmp.gaugeChartUnits.style.fontSize = unitfontsize + 'px';
+ state.element_chart.appendChild(state.tmp.gaugeChartUnits);
+
+ state.tmp.gaugeChartMin = document.createElement('span');
+ state.tmp.gaugeChartMin.className = 'gaugeChartMin';
+ state.tmp.gaugeChartMin.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+ state.element_chart.appendChild(state.tmp.gaugeChartMin);
+
+ state.tmp.gaugeChartMax = document.createElement('span');
+ state.tmp.gaugeChartMax.className = 'gaugeChartMax';
+ state.tmp.gaugeChartMax.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+ state.element_chart.appendChild(state.tmp.gaugeChartMax);
+
+ // when we just re-create the chart
+ // do not animate the first update
+ var animate = true;
+ if(typeof state.tmp.gauge_instance !== 'undefined')
+ animate = false;
+
+ state.tmp.gauge_instance = new Gauge(state.tmp.gauge_canvas).setOptions(options); // create sexy gauge!
+
+ state.tmp.___gaugeOld__ = {
+ value: value,
+ min: min,
+ max: max,
+ valueLabel: null,
+ minLabel: null,
+ maxLabel: null
+ };
+
+ // we will always feed a percentage
+ state.tmp.gauge_instance.minValue = 0;
+ state.tmp.gauge_instance.maxValue = 100;
+
+ NETDATA.gaugeAnimation(state, animate);
+ NETDATA.gaugeSet(state, value, min, max);
+ NETDATA.gaugeSetLabels(state, value, min, max);
+ NETDATA.gaugeAnimation(state, true);
+
+ state.legendSetUnitsString = function(units) {
+ if(typeof state.tmp.gaugeChartUnits !== 'undefined' && state.tmp.units !== units) {
+ state.tmp.gaugeChartUnits.innerText = units;
+ state.tmp.___gaugeOld__.valueLabel = null;
+ state.tmp.___gaugeOld__.minLabel = null;
+ state.tmp.___gaugeOld__.maxLabel = null;
+ state.tmp.units = units;
+ }
+ };
+ state.legendShowUndefined = function() {
+ if(typeof state.tmp.gauge_instance !== 'undefined')
+ NETDATA.gaugeClearSelection(state);
+ };
+
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Charts Libraries Registration
+
+ NETDATA.chartLibraries = {
+ "dygraph": {
+ initialize: NETDATA.dygraphInitialize,
+ create: NETDATA.dygraphChartCreate,
+ update: NETDATA.dygraphChartUpdate,
+ resize: function(state) {
+ if(typeof state.tmp.dygraph_instance !== 'undefined' && typeof state.tmp.dygraph_instance.resize === 'function')
+ state.tmp.dygraph_instance.resize();
+ },
+ setSelection: NETDATA.dygraphSetSelection,
+ clearSelection: NETDATA.dygraphClearSelection,
+ toolboxPanAndZoom: NETDATA.dygraphToolboxPanAndZoom,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
+ format: function(state) { void(state); return 'json'; },
+ options: function(state) { return 'ms' + '%7C' + 'flip' + (this.isLogScale(state)?('%7C' + 'abs'):'').toString(); },
+ legend: function(state) {
+ return (this.isSparkline(state) === false && NETDATA.dataAttributeBoolean(state.element, 'legend', true) === true) ? 'right-side' : null;
+ },
+ autoresize: function(state) { void(state); return true; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return true; },
+ pixels_per_point: function(state) {
+ return (this.isSparkline(state) === false)?3:2;
+ },
+ isSparkline: function(state) {
+ if(typeof state.tmp.dygraph_sparkline === 'undefined') {
+ state.tmp.dygraph_sparkline = (this.theme(state) === 'sparkline');
+ }
+ return state.tmp.dygraph_sparkline;
+ },
+ isLogScale: function(state) {
+ if(typeof state.tmp.dygraph_logscale === 'undefined') {
+ state.tmp.dygraph_logscale = (this.theme(state) === 'logscale');
+ }
+ return state.tmp.dygraph_logscale;
+ },
+ theme: function(state) {
+ if(typeof state.tmp.dygraph_theme === 'undefined')
+ state.tmp.dygraph_theme = NETDATA.dataAttribute(state.element, 'dygraph-theme', 'default');
+ return state.tmp.dygraph_theme;
+ },
+ container_class: function(state) {
+ if(this.legend(state) !== null)
+ return 'netdata-container-with-legend';
+ return 'netdata-container';
+ }
+ },
+ "sparkline": {
+ initialize: NETDATA.sparklineInitialize,
+ create: NETDATA.sparklineChartCreate,
+ update: NETDATA.sparklineChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { void(state); return true; },
+ clearSelection: undefined, // function(state) { void(state); return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
+ format: function(state) { void(state); return 'array'; },
+ options: function(state) { void(state); return 'flip' + '%7C' + 'abs'; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 3; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "peity": {
+ initialize: NETDATA.peityInitialize,
+ create: NETDATA.peityChartCreate,
+ update: NETDATA.peityChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { void(state); return true; },
+ clearSelection: undefined, // function(state) { void(state); return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
+ format: function(state) { void(state); return 'ssvcomma'; },
+ options: function(state) { void(state); return 'null2zero' + '%7C' + 'flip' + '%7C' + 'abs'; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 3; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "morris": {
+ initialize: NETDATA.morrisInitialize,
+ create: NETDATA.morrisChartCreate,
+ update: NETDATA.morrisChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { void(state); return true; },
+ clearSelection: undefined, // function(state) { void(state); return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
+ format: function(state) { void(state); return 'json'; },
+ options: function(state) { void(state); return 'objectrows' + '%7C' + 'ms'; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 50; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 15; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "google": {
+ initialize: NETDATA.googleInitialize,
+ create: NETDATA.googleChartCreate,
+ update: NETDATA.googleChartUpdate,
+ resize: null,
+ setSelection: undefined, //function(state, t) { void(state); return true; },
+ clearSelection: undefined, //function(state) { void(state); return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result.rows$'),
+ format: function(state) { void(state); return 'datatable'; },
+ options: function(state) { void(state); return ''; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 300; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 4; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "raphael": {
+ initialize: NETDATA.raphaelInitialize,
+ create: NETDATA.raphaelChartCreate,
+ update: NETDATA.raphaelChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { void(state); return true; },
+ clearSelection: undefined, // function(state) { void(state); return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
+ format: function(state) { void(state); return 'json'; },
+ options: function(state) { void(state); return ''; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 3; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "c3": {
+ initialize: NETDATA.c3Initialize,
+ create: NETDATA.c3ChartCreate,
+ update: NETDATA.c3ChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { void(state); return true; },
+ clearSelection: undefined, // function(state) { void(state); return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
+ format: function(state) { void(state); return 'csvjsonarray'; },
+ options: function(state) { void(state); return 'milliseconds'; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 15; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "d3pie": {
+ initialize: NETDATA.d3pieInitialize,
+ create: NETDATA.d3pieChartCreate,
+ update: NETDATA.d3pieChartUpdate,
+ resize: null,
+ setSelection: NETDATA.d3pieSetSelection,
+ clearSelection: NETDATA.d3pieClearSelection,
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
+ format: function(state) { void(state); return 'json'; },
+ options: function(state) { void(state); return 'objectrows' + '%7C' + 'ms'; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 15; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "d3": {
+ initialize: NETDATA.d3Initialize,
+ create: NETDATA.d3ChartCreate,
+ update: NETDATA.d3ChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { void(state); return true; },
+ clearSelection: undefined, // function(state) { void(state); return true; },
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
+ format: function(state) { void(state); return 'json'; },
+ options: function(state) { void(state); return ''; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return false; },
+ pixels_per_point: function(state) { void(state); return 3; },
+ container_class: function(state) { void(state); return 'netdata-container'; }
+ },
+ "easypiechart": {
+ initialize: NETDATA.easypiechartInitialize,
+ create: NETDATA.easypiechartChartCreate,
+ update: NETDATA.easypiechartChartUpdate,
+ resize: null,
+ setSelection: NETDATA.easypiechartSetSelection,
+ clearSelection: NETDATA.easypiechartClearSelection,
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
+ format: function(state) { void(state); return 'array'; },
+ options: function(state) { void(state); return 'absolute'; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return true; },
+ pixels_per_point: function(state) { void(state); return 3; },
+ aspect_ratio: 100,
+ container_class: function(state) { void(state); return 'netdata-container-easypiechart'; }
+ },
+ "gauge": {
+ initialize: NETDATA.gaugeInitialize,
+ create: NETDATA.gaugeChartCreate,
+ update: NETDATA.gaugeChartUpdate,
+ resize: null,
+ setSelection: NETDATA.gaugeSetSelection,
+ clearSelection: NETDATA.gaugeClearSelection,
+ toolboxPanAndZoom: null,
+ initialized: false,
+ enabled: true,
+ xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
+ format: function(state) { void(state); return 'array'; },
+ options: function(state) { void(state); return 'absolute'; },
+ legend: function(state) { void(state); return null; },
+ autoresize: function(state) { void(state); return false; },
+ max_updates_to_recreate: function(state) { void(state); return 5000; },
+ track_colors: function(state) { void(state); return true; },
+ pixels_per_point: function(state) { void(state); return 3; },
+ aspect_ratio: 60,
+ container_class: function(state) { void(state); return 'netdata-container-gauge'; }
+ }
+ };
+
+ NETDATA.registerChartLibrary = function(library, url) {
+ if(NETDATA.options.debug.libraries === true)
+ console.log("registering chart library: " + library);
+
+ NETDATA.chartLibraries[library].url = url;
+ NETDATA.chartLibraries[library].initialized = true;
+ NETDATA.chartLibraries[library].enabled = true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Load required JS libraries and CSS
+
+ NETDATA.requiredJs = [
+ {
+ url: NETDATA.serverStatic + 'lib/bootstrap-3.3.7.min.js',
+ async: false,
+ isAlreadyLoaded: function() {
+ // check if bootstrap is loaded
+ if(typeof $().emulateTransitionEnd === 'function')
+ return true;
+ else {
+ return (typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap === true);
+ }
+ }
+ },
+ {
+ url: NETDATA.serverStatic + 'lib/fontawesome-all-5.0.1.min.js',
+ async: true,
+ isAlreadyLoaded: function() {
+ return (typeof netdataNoFontAwesome !== 'undefined' && netdataNoFontAwesome === true);
+ }
+ },
+ {
+ url: NETDATA.serverStatic + 'lib/perfect-scrollbar-0.6.15.min.js',
+ isAlreadyLoaded: function() { return false; }
+ }
+ ];
+
+ NETDATA.requiredCSS = [
+ {
+ url: NETDATA.themes.current.bootstrap_css,
+ isAlreadyLoaded: function() {
+ return (typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap === true);
+ }
+ },
+ {
+ url: NETDATA.themes.current.dashboard_css,
+ isAlreadyLoaded: function() { return false; }
+ }
+ ];
+
+ NETDATA.loadedRequiredJs = 0;
+ NETDATA.loadRequiredJs = function(index, callback) {
+ if(index >= NETDATA.requiredJs.length) {
+ if(typeof callback === 'function')
+ return callback();
+ return;
+ }
+
+ if(NETDATA.requiredJs[index].isAlreadyLoaded()) {
+ NETDATA.loadedRequiredJs++;
+ NETDATA.loadRequiredJs(++index, callback);
+ return;
+ }
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.requiredJs[index].url);
+
+ var async = true;
+ if(typeof NETDATA.requiredJs[index].async !== 'undefined' && NETDATA.requiredJs[index].async === false)
+ async = false;
+
+ $.ajax({
+ url: NETDATA.requiredJs[index].url,
+ cache: true,
+ dataType: "script",
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function() {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loaded ' + NETDATA.requiredJs[index].url);
+ })
+ .fail(function() {
+ alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url);
+ })
+ .always(function() {
+ NETDATA.loadedRequiredJs++;
+
+ if(async === false)
+ NETDATA.loadRequiredJs(++index, callback);
+ });
+
+ if(async === true)
+ NETDATA.loadRequiredJs(++index, callback);
+ };
+
+ NETDATA.loadRequiredCSS = function(index) {
+ if(index >= NETDATA.requiredCSS.length)
+ return;
+
+ if(NETDATA.requiredCSS[index].isAlreadyLoaded()) {
+ NETDATA.loadRequiredCSS(++index);
+ return;
+ }
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.requiredCSS[index].url);
+
+ NETDATA._loadCSS(NETDATA.requiredCSS[index].url);
+ NETDATA.loadRequiredCSS(++index);
+ };
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Registry of netdata hosts
+
+ NETDATA.alarms = {
+ onclick: null, // the callback to handle the click - it will be called with the alarm log entry
+ chart_div_offset: -50, // give that space above the chart when scrolling to it
+ chart_div_id_prefix: 'chart_', // the chart DIV IDs have this prefix (they should be NETDATA.name2id(chart.id))
+ chart_div_animation_duration: 0,// the duration of the animation while scrolling to a chart
+
+ ms_penalty: 0, // the time penalty of the next alarm
+ ms_between_notifications: 500, // firefox moves the alarms off-screen (above, outside the top of the screen)
+ // if alarms are shown faster than: one per 500ms
+
+ update_every: 10000, // the time in ms between alarm checks
+
+ notifications: false, // when true, the browser supports notifications (may not be granted though)
+ last_notification_id: 0, // the id of the last alarm_log we have raised an alarm for
+ first_notification_id: 0, // the id of the first alarm_log entry for this session
+ // this is used to prevent CLEAR notifications for past events
+ // notifications_shown: [],
+
+ server: null, // the server to connect to for fetching alarms
+ current: null, // the list of raised alarms - updated in the background
+
+ // a callback function to call every time the list of raised alarms is refreshed
+ callback: (typeof netdataAlarmsActiveCallback === 'function')?netdataAlarmsActiveCallback:null,
+
+ // a callback function to call every time a notification is shown
+ // the return value is used to decide if the notification will be shown
+ notificationCallback: (typeof netdataAlarmsNotifCallback === 'function')?netdataAlarmsNotifCallback:null,
+
+ recipients: null, // the list (array) of recipients to show alarms for, or null
+
+ recipientMatches: function(to_string, wanted_array) {
+ if(typeof wanted_array === 'undefined' || wanted_array === null || Array.isArray(wanted_array) === false)
+ return true;
+
+ var r = ' ' + to_string.toString() + ' ';
+ var len = wanted_array.length;
+ while(len--) {
+ if(r.indexOf(' ' + wanted_array[len] + ' ') >= 0)
+ return true;
+ }
+
+ return false;
+ },
+
+ activeForRecipients: function() {
+ var active = {};
+ var data = NETDATA.alarms.current;
+
+ if(typeof data === 'undefined' || data === null)
+ return active;
+
+ for(var x in data.alarms) {
+ if(!data.alarms.hasOwnProperty(x)) continue;
+
+ var alarm = data.alarms[x];
+ if((alarm.status === 'WARNING' || alarm.status === 'CRITICAL') && NETDATA.alarms.recipientMatches(alarm.recipient, NETDATA.alarms.recipients))
+ active[x] = alarm;
+ }
+
+ return active;
+ },
+
+ notify: function(entry) {
+ // console.log('alarm ' + entry.unique_id);
+
+ if(entry.updated === true) {
+ // console.log('alarm ' + entry.unique_id + ' has been updated by another alarm');
+ return;
+ }
+
+ var value_string = entry.value_string;
+
+ if(NETDATA.alarms.current !== null) {
+ // get the current value_string
+ var t = NETDATA.alarms.current.alarms[entry.chart + '.' + entry.name];
+ if(typeof t !== 'undefined' && entry.status === t.status && typeof t.value_string !== 'undefined')
+ value_string = t.value_string;
+ }
+
+ var name = entry.name.replace(/_/g, ' ');
+ var status = entry.status.toLowerCase();
+ var title = name + ' = ' + value_string.toString();
+ var tag = entry.alarm_id;
+ var icon = 'images/seo-performance-128.png';
+ var interaction = false;
+ var data = entry;
+ var show = true;
+
+ // console.log('alarm ' + entry.unique_id + ' ' + entry.chart + '.' + entry.name + ' is ' + entry.status);
+
+ switch(entry.status) {
+ case 'REMOVED':
+ show = false;
+ break;
+
+ case 'UNDEFINED':
+ return;
+
+ case 'UNINITIALIZED':
+ return;
+
+ case 'CLEAR':
+ if(entry.unique_id < NETDATA.alarms.first_notification_id) {
+ // console.log('alarm ' + entry.unique_id + ' is not current');
+ return;
+ }
+ if(entry.old_status === 'UNINITIALIZED' || entry.old_status === 'UNDEFINED') {
+ // console.log('alarm' + entry.unique_id + ' switch to CLEAR from ' + entry.old_status);
+ return;
+ }
+ if(entry.no_clear_notification === true) {
+ // console.log('alarm' + entry.unique_id + ' is CLEAR but has no_clear_notification flag');
+ return;
+ }
+ title = name + ' back to normal (' + value_string.toString() + ')';
+ icon = 'images/check-mark-2-128-green.png';
+ interaction = false;
+ break;
+
+ case 'WARNING':
+ if(entry.old_status === 'CRITICAL')
+ status = 'demoted to ' + entry.status.toLowerCase();
+
+ icon = 'images/alert-128-orange.png';
+ interaction = false;
+ break;
+
+ case 'CRITICAL':
+ if(entry.old_status === 'WARNING')
+ status = 'escalated to ' + entry.status.toLowerCase();
+
+ icon = 'images/alert-128-red.png';
+ interaction = true;
+ break;
+
+ default:
+ console.log('invalid alarm status ' + entry.status);
+ return;
+ }
+
+ // filter recipients
+ if(show === true)
+ show = NETDATA.alarms.recipientMatches(entry.recipient, NETDATA.alarms.recipients);
+
+ /*
+ // cleanup old notifications with the same alarm_id as this one
+ // it does not seem to work on any web browser - so notifications cannot be removed
+
+ var len = NETDATA.alarms.notifications_shown.length;
+ while(len--) {
+ var n = NETDATA.alarms.notifications_shown[len];
+ if(n.data.alarm_id === entry.alarm_id) {
+ console.log('removing old alarm ' + n.data.unique_id);
+
+ // close the notification
+ n.close.bind(n);
+
+ // remove it from the array
+ NETDATA.alarms.notifications_shown.splice(len, 1);
+ len = NETDATA.alarms.notifications_shown.length;
+ }
+ }
+ */
+
+ if(show === true) {
+ if(typeof NETDATA.alarms.notificationCallback === 'function')
+ show = NETDATA.alarms.notificationCallback(entry);
+
+ if(show === true) {
+ setTimeout(function() {
+ // show this notification
+ // console.log('new notification: ' + title);
+ var n = new Notification(title, {
+ body: entry.hostname + ' - ' + entry.chart + ' (' + entry.family + ') - ' + status + ': ' + entry.info,
+ tag: tag,
+ requireInteraction: interaction,
+ icon: NETDATA.serverStatic + icon,
+ data: data
+ });
+
+ n.onclick = function(event) {
+ event.preventDefault();
+ NETDATA.alarms.onclick(event.target.data);
+ };
+
+ // console.log(n);
+ // NETDATA.alarms.notifications_shown.push(n);
+ // console.log(entry);
+ }, NETDATA.alarms.ms_penalty);
+
+ NETDATA.alarms.ms_penalty += NETDATA.alarms.ms_between_notifications;
+ }
+ }
+ },
+
+ scrollToChart: function(chart_id) {
+ if(typeof chart_id === 'string') {
+ var offset = $('#' + NETDATA.alarms.chart_div_id_prefix + NETDATA.name2id(chart_id)).offset();
+ if(typeof offset !== 'undefined') {
+ $('html, body').animate({ scrollTop: offset.top + NETDATA.alarms.chart_div_offset }, NETDATA.alarms.chart_div_animation_duration);
+ return true;
+ }
+ }
+ return false;
+ },
+
+ scrollToAlarm: function(alarm) {
+ if(typeof alarm === 'object') {
+ var ret = NETDATA.alarms.scrollToChart(alarm.chart);
+
+ if(ret === true && NETDATA.options.page_is_visible === false)
+ window.focus();
+ // alert('netdata dashboard will now scroll to chart: ' + alarm.chart + '\n\nThis alarm opened to bring the browser window in front of the screen. Click on the dashboard to prevent it from appearing again.');
+ }
+
+ },
+
+ notifyAll: function() {
+ // console.log('FETCHING ALARM LOG');
+ NETDATA.alarms.get_log(NETDATA.alarms.last_notification_id, function(data) {
+ // console.log('ALARM LOG FETCHED');
+
+ if(data === null || typeof data !== 'object') {
+ console.log('invalid alarms log response');
+ return;
+ }
+
+ if(data.length === 0) {
+ console.log('received empty alarm log');
+ return;
+ }
+
+ // console.log('received alarm log of ' + data.length + ' entries, from ' + data[data.length - 1].unique_id.toString() + ' to ' + data[0].unique_id.toString());
+
+ data.sort(function(a, b) {
+ if(a.unique_id > b.unique_id) return -1;
+ if(a.unique_id < b.unique_id) return 1;
+ return 0;
+ });
+
+ NETDATA.alarms.ms_penalty = 0;
+
+ var len = data.length;
+ while(len--) {
+ if(data[len].unique_id > NETDATA.alarms.last_notification_id) {
+ NETDATA.alarms.notify(data[len]);
+ }
+ //else
+ // console.log('ignoring alarm (older) with id ' + data[len].unique_id.toString());
+ }
+
+ NETDATA.alarms.last_notification_id = data[0].unique_id;
+
+ if(typeof netdataAlarmsRemember === 'undefined' || netdataAlarmsRemember === true)
+ NETDATA.localStorageSet('last_notification_id', NETDATA.alarms.last_notification_id, null);
+ // console.log('last notification id = ' + NETDATA.alarms.last_notification_id);
+ })
+ },
+
+ check_notifications: function() {
+ // returns true if we should fire 1+ notifications
+
+ if(NETDATA.alarms.notifications !== true) {
+ // console.log('web notifications are not available');
+ return false;
+ }
+
+ if(Notification.permission !== 'granted') {
+ // console.log('web notifications are not granted');
+ return false;
+ }
+
+ if(typeof NETDATA.alarms.current !== 'undefined' && typeof NETDATA.alarms.current.alarms === 'object') {
+ // console.log('can do alarms: old id = ' + NETDATA.alarms.last_notification_id + ' new id = ' + NETDATA.alarms.current.latest_alarm_log_unique_id);
+
+ if(NETDATA.alarms.current.latest_alarm_log_unique_id > NETDATA.alarms.last_notification_id) {
+ // console.log('new alarms detected');
+ return true;
+ }
+ //else console.log('no new alarms');
+ }
+ // else console.log('cannot process alarms');
+
+ return false;
+ },
+
+ get: function(what, callback) {
+ $.ajax({
+ url: NETDATA.alarms.server + '/api/v1/alarms?' + what.toString(),
+ async: true,
+ cache: false,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkOptional('/api/v1/alarms', data /*, '.*\.(calc|calc_parsed|warn|warn_parsed|crit|crit_parsed)$' */);
+
+ if(NETDATA.alarms.first_notification_id === 0 && typeof data.latest_alarm_log_unique_id === 'number')
+ NETDATA.alarms.first_notification_id = data.latest_alarm_log_unique_id;
+
+ if(typeof callback === 'function')
+ return callback(data);
+ })
+ .fail(function() {
+ NETDATA.error(415, NETDATA.alarms.server);
+
+ if(typeof callback === 'function')
+ return callback(null);
+ });
+ },
+
+ update_forever: function() {
+ if(netdataShowAlarms !== true || netdataSnapshotData !== null)
+ return;
+
+ NETDATA.alarms.get('active', function(data) {
+ if(data !== null) {
+ NETDATA.alarms.current = data;
+
+ if(NETDATA.alarms.check_notifications() === true) {
+ NETDATA.alarms.notifyAll();
+ }
+
+ if (typeof NETDATA.alarms.callback === 'function') {
+ NETDATA.alarms.callback(data);
+ }
+
+ // Health monitoring is disabled on this netdata
+ if(data.status === false) return;
+ }
+
+ setTimeout(NETDATA.alarms.update_forever, NETDATA.alarms.update_every);
+ });
+ },
+
+ get_log: function(last_id, callback) {
+ // console.log('fetching all log after ' + last_id.toString());
+ $.ajax({
+ url: NETDATA.alarms.server + '/api/v1/alarm_log?after=' + last_id.toString(),
+ async: true,
+ cache: false,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkOptional('/api/v1/alarm_log', data);
+
+ if(typeof callback === 'function')
+ return callback(data);
+ })
+ .fail(function() {
+ NETDATA.error(416, NETDATA.alarms.server);
+
+ if(typeof callback === 'function')
+ return callback(null);
+ });
+ },
+
+ init: function() {
+ NETDATA.alarms.server = NETDATA.fixHost(NETDATA.serverDefault);
+
+ if(typeof netdataAlarmsRemember === 'undefined' || netdataAlarmsRemember === true) {
+ NETDATA.alarms.last_notification_id =
+ NETDATA.localStorageGet('last_notification_id', NETDATA.alarms.last_notification_id, null);
+ }
+
+ if(NETDATA.alarms.onclick === null)
+ NETDATA.alarms.onclick = NETDATA.alarms.scrollToAlarm;
+
+ if(typeof netdataAlarmsRecipients !== 'undefined' && Array.isArray(netdataAlarmsRecipients))
+ NETDATA.alarms.recipients = netdataAlarmsRecipients;
+
+ if(netdataShowAlarms === true) {
+ NETDATA.alarms.update_forever();
+
+ if('Notification' in window) {
+ // console.log('notifications available');
+ NETDATA.alarms.notifications = true;
+
+ if(Notification.permission === 'default')
+ Notification.requestPermission();
+ }
+ }
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Registry of netdata hosts
+
+ NETDATA.registry = {
+ server: null, // the netdata registry server
+ person_guid: null, // the unique ID of this browser / user
+ machine_guid: null, // the unique ID the netdata server that served dashboard.js
+ hostname: 'unknown', // the hostname of the netdata server that served dashboard.js
+ machines: null, // the user's other URLs
+ machines_array: null, // the user's other URLs in an array
+ person_urls: null,
+
+ parsePersonUrls: function(person_urls) {
+ // console.log(person_urls);
+ NETDATA.registry.person_urls = person_urls;
+
+ if(person_urls) {
+ NETDATA.registry.machines = {};
+ NETDATA.registry.machines_array = [];
+
+ var apu = person_urls;
+ var i = apu.length;
+ while(i--) {
+ if(typeof NETDATA.registry.machines[apu[i][0]] === 'undefined') {
+ // console.log('adding: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString());
+
+ var obj = {
+ guid: apu[i][0],
+ url: apu[i][1],
+ last_t: apu[i][2],
+ accesses: apu[i][3],
+ name: apu[i][4],
+ alternate_urls: []
+ };
+ obj.alternate_urls.push(apu[i][1]);
+
+ NETDATA.registry.machines[apu[i][0]] = obj;
+ NETDATA.registry.machines_array.push(obj);
+ }
+ else {
+ // console.log('appending: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString());
+
+ var pu = NETDATA.registry.machines[apu[i][0]];
+ if(pu.last_t < apu[i][2]) {
+ pu.url = apu[i][1];
+ pu.last_t = apu[i][2];
+ pu.name = apu[i][4];
+ }
+ pu.accesses += apu[i][3];
+ pu.alternate_urls.push(apu[i][1]);
+ }
+ }
+ }
+
+ if(typeof netdataRegistryCallback === 'function')
+ netdataRegistryCallback(NETDATA.registry.machines_array);
+ },
+
+ init: function() {
+ if(netdataRegistry !== true) return;
+
+ NETDATA.registry.hello(NETDATA.serverDefault, function(data) {
+ if(data) {
+ NETDATA.registry.server = data.registry;
+ NETDATA.registry.machine_guid = data.machine_guid;
+ NETDATA.registry.hostname = data.hostname;
+
+ NETDATA.registry.access(2, function (person_urls) {
+ NETDATA.registry.parsePersonUrls(person_urls);
+
+ });
+ }
+ });
+ },
+
+ hello: function(host, callback) {
+ host = NETDATA.fixHost(host);
+
+ // send HELLO to a netdata server:
+ // 1. verifies the server is reachable
+ // 2. responds with the registry URL, the machine GUID of this netdata server and its hostname
+ $.ajax({
+ url: host + '/api/v1/registry?action=hello',
+ async: true,
+ cache: false,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkOptional('/api/v1/registry?action=hello', data);
+
+ if(typeof data.status !== 'string' || data.status !== 'ok') {
+ NETDATA.error(408, host + ' response: ' + JSON.stringify(data));
+ data = null;
+ }
+
+ if(typeof callback === 'function')
+ return callback(data);
+ })
+ .fail(function() {
+ NETDATA.error(407, host);
+
+ if(typeof callback === 'function')
+ return callback(null);
+ });
+ },
+
+ access: function(max_redirects, callback) {
+ // send ACCESS to a netdata registry:
+ // 1. it lets it know we are accessing a netdata server (its machine GUID and its URL)
+ // 2. it responds with a list of netdata servers we know
+ // the registry identifies us using a cookie it sets the first time we access it
+ // the registry may respond with a redirect URL to send us to another registry
+ $.ajax({
+ url: NETDATA.registry.server + '/api/v1/registry?action=access&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault), // + '&visible_url=' + encodeURIComponent(document.location),
+ async: true,
+ cache: false,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkAlways('/api/v1/registry?action=access', data);
+
+ var redirect = null;
+ if(typeof data.registry === 'string')
+ redirect = data.registry;
+
+ if(typeof data.status !== 'string' || data.status !== 'ok') {
+ NETDATA.error(409, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
+ data = null;
+ }
+
+ if(data === null) {
+ if(redirect !== null && max_redirects > 0) {
+ NETDATA.registry.server = redirect;
+ NETDATA.registry.access(max_redirects - 1, callback);
+ }
+ else {
+ if(typeof callback === 'function')
+ return callback(null);
+ }
+ }
+ else {
+ if(typeof data.person_guid === 'string')
+ NETDATA.registry.person_guid = data.person_guid;
+
+ if(typeof callback === 'function')
+ return callback(data.urls);
+ }
+ })
+ .fail(function() {
+ NETDATA.error(410, NETDATA.registry.server);
+
+ if(typeof callback === 'function')
+ return callback(null);
+ });
+ },
+
+ delete: function(delete_url, callback) {
+ // send DELETE to a netdata registry:
+ $.ajax({
+ url: NETDATA.registry.server + '/api/v1/registry?action=delete&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&delete_url=' + encodeURIComponent(delete_url),
+ async: true,
+ cache: false,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkAlways('/api/v1/registry?action=delete', data);
+
+ if(typeof data.status !== 'string' || data.status !== 'ok') {
+ NETDATA.error(411, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
+ data = null;
+ }
+
+ if(typeof callback === 'function')
+ return callback(data);
+ })
+ .fail(function() {
+ NETDATA.error(412, NETDATA.registry.server);
+
+ if(typeof callback === 'function')
+ return callback(null);
+ });
+ },
+
+ search: function(machine_guid, callback) {
+ // SEARCH for the URLs of a machine:
+ $.ajax({
+ url: NETDATA.registry.server + '/api/v1/registry?action=search&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&for=' + machine_guid,
+ async: true,
+ cache: false,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkAlways('/api/v1/registry?action=search', data);
+
+ if(typeof data.status !== 'string' || data.status !== 'ok') {
+ NETDATA.error(417, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
+ data = null;
+ }
+
+ if(typeof callback === 'function')
+ return callback(data);
+ })
+ .fail(function() {
+ NETDATA.error(418, NETDATA.registry.server);
+
+ if(typeof callback === 'function')
+ return callback(null);
+ });
+ },
+
+ switch: function(new_person_guid, callback) {
+ // impersonate
+ $.ajax({
+ url: NETDATA.registry.server + '/api/v1/registry?action=switch&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&to=' + new_person_guid,
+ async: true,
+ cache: false,
+ headers: {
+ 'Cache-Control': 'no-cache, no-store',
+ 'Pragma': 'no-cache'
+ },
+ xhrFields: { withCredentials: true } // required for the cookie
+ })
+ .done(function(data) {
+ data = NETDATA.xss.checkAlways('/api/v1/registry?action=switch', data);
+
+ if(typeof data.status !== 'string' || data.status !== 'ok') {
+ NETDATA.error(413, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
+ data = null;
+ }
+
+ if(typeof callback === 'function')
+ return callback(data);
+ })
+ .fail(function() {
+ NETDATA.error(414, NETDATA.registry.server);
+
+ if(typeof callback === 'function')
+ return callback(null);
+ });
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Boot it!
+
+ if(typeof netdataPrepCallback === 'function')
+ netdataPrepCallback();
+
+ NETDATA.errorReset();
+ NETDATA.loadRequiredCSS(0);
+
+ NETDATA._loadjQuery(function() {
+ NETDATA.loadRequiredJs(0, function() {
+ if(typeof $().emulateTransitionEnd !== 'function') {
+ // bootstrap is not available
+ NETDATA.options.current.show_help = false;
+ }
+
+ if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('starting chart refresh thread');
+
+ NETDATA.start();
+ }
+ });
+ });
+})(window, document, (typeof jQuery === 'function')?jQuery:undefined);